diff --git a/build.gradle.kts b/build.gradle.kts
index a19fe8ff..30aa28a9 100644
--- a/build.gradle.kts
+++ b/build.gradle.kts
@@ -1,6 +1,6 @@
 import scientifik.useSerialization
 
-val dataforgeVersion by extra("0.1.5-dev-5")
+val dataforgeVersion by extra("0.1.5-dev-6")
 
 plugins {
     val kotlinVersion = "1.3.61"
diff --git a/dataforge-vis-common/build.gradle.kts b/dataforge-vis-common/build.gradle.kts
index 4ac0092e..02471a02 100644
--- a/dataforge-vis-common/build.gradle.kts
+++ b/dataforge-vis-common/build.gradle.kts
@@ -35,6 +35,7 @@ kotlin {
                 api("hep.dataforge:dataforge-output-html:$dataforgeVersion")
                 api(npm("bootstrap","4.4.1"))
                 implementation(npm("jsoneditor"))
+                implementation(npm("file-saver"))
             }
         }
     }
diff --git a/dataforge-vis-common/src/jsMain/kotlin/hep/dataforge/vis/js/editor/jsTree.kt b/dataforge-vis-common/src/jsMain/kotlin/hep/dataforge/vis/js/editor/jsTree.kt
index ba9b7dd8..f45727b9 100644
--- a/dataforge-vis-common/src/jsMain/kotlin/hep/dataforge/vis/js/editor/jsTree.kt
+++ b/dataforge-vis-common/src/jsMain/kotlin/hep/dataforge/vis/js/editor/jsTree.kt
@@ -1,10 +1,9 @@
-package hep.dataforge.js
+package hep.dataforge.vis.js.editor
 
 import hep.dataforge.names.NameToken
 import hep.dataforge.vis.common.VisualGroup
 import hep.dataforge.vis.common.VisualObject
 import hep.dataforge.vis.common.isEmpty
-import hep.dataforge.vis.js.editor.card
 import kotlinx.html.TagConsumer
 import kotlinx.html.dom.append
 import kotlinx.html.js.*
diff --git a/dataforge-vis-spatial-gdml/src/commonMain/kotlin/hep/dataforge/vis/spatial/gdml/GDMLTransformer.kt b/dataforge-vis-spatial-gdml/src/commonMain/kotlin/hep/dataforge/vis/spatial/gdml/GDMLTransformer.kt
index c90760e0..f645c3c8 100644
--- a/dataforge-vis-spatial-gdml/src/commonMain/kotlin/hep/dataforge/vis/spatial/gdml/GDMLTransformer.kt
+++ b/dataforge-vis-spatial-gdml/src/commonMain/kotlin/hep/dataforge/vis/spatial/gdml/GDMLTransformer.kt
@@ -5,13 +5,9 @@ import hep.dataforge.meta.MetaBuilder
 import hep.dataforge.meta.buildMeta
 import hep.dataforge.names.Name
 import hep.dataforge.names.toName
-import hep.dataforge.vis.common.VisualObject
 import hep.dataforge.vis.common.useStyle
+import hep.dataforge.vis.spatial.*
 import hep.dataforge.vis.spatial.Material3D.Companion.MATERIAL_COLOR_KEY
-import hep.dataforge.vis.spatial.RotationOrder
-import hep.dataforge.vis.spatial.VisualGroup3D
-import hep.dataforge.vis.spatial.VisualObject3D
-import hep.dataforge.vis.spatial.rotationOrder
 import scientifik.gdml.*
 import kotlin.random.Random
 
@@ -37,7 +33,14 @@ class GDMLTransformer(val root: GDML) {
     var volumeAction: (GDMLGroup) -> Action = { Action.CACHE }
 
 
-    var solidConfiguration: VisualObject3D.(parent: GDMLVolume, solid: GDMLSolid) -> Unit = { _, _ -> }
+    var solidConfiguration: VisualObject3D.(parent: GDMLVolume, solid: GDMLSolid) -> Unit = { parent, solid ->
+        lUnit = LUnit.CM
+        if (parent.physVolumes.isNotEmpty()) {
+            useStyle("opaque") {
+                Material3D.MATERIAL_OPACITY_KEY put 0.3
+            }
+        }
+    }
 
     fun VisualObject3D.useStyle(name: String, builder: MetaBuilder.() -> Unit) {
         styleCache.getOrPut(name.toName()) {
diff --git a/dataforge-vis-spatial-gdml/src/commonMain/kotlin/hep/dataforge/vis/spatial/gdml/visualGDML.kt b/dataforge-vis-spatial-gdml/src/commonMain/kotlin/hep/dataforge/vis/spatial/gdml/visualGDML.kt
index 95c316bf..8fc395e1 100644
--- a/dataforge-vis-spatial-gdml/src/commonMain/kotlin/hep/dataforge/vis/spatial/gdml/visualGDML.kt
+++ b/dataforge-vis-spatial-gdml/src/commonMain/kotlin/hep/dataforge/vis/spatial/gdml/visualGDML.kt
@@ -6,8 +6,8 @@ import hep.dataforge.names.asName
 import hep.dataforge.names.plus
 import hep.dataforge.vis.common.get
 import hep.dataforge.vis.spatial.*
-import hep.dataforge.vis.spatial.GeometryConstants.one
-import hep.dataforge.vis.spatial.GeometryConstants.zero
+import hep.dataforge.vis.spatial.World.ONE
+import hep.dataforge.vis.spatial.World.ZERO
 import scientifik.gdml.*
 import kotlin.math.cos
 import kotlin.math.sin
@@ -21,20 +21,20 @@ private fun VisualObject3D.withPosition(
 ): VisualObject3D = apply {
     newPos?.let {
         val point = Point3D(it.x(lUnit), it.y(lUnit), it.z(lUnit))
-        if (position != null || point != zero) {
+        if (position != null || point != ZERO) {
             position = point
         }
     }
     newRotation?.let {
         val point = Point3D(it.x(), it.y(), it.z())
-        if (rotation != null || point != zero) {
+        if (rotation != null || point != ZERO) {
             rotation = point
         }
         //this@withPosition.rotationOrder = RotationOrder.ZXY
     }
     newScale?.let {
         val point = Point3D(it.x, it.y, it.z)
-        if (scale != null || point != one) {
+        if (scale != null || point != ONE) {
             scale = point
         }
     }
diff --git a/dataforge-vis-spatial/src/commonMain/kotlin/hep/dataforge/vis/spatial/Visual3DPlugin.kt b/dataforge-vis-spatial/src/commonMain/kotlin/hep/dataforge/vis/spatial/Visual3DPlugin.kt
index 39c62bc2..b09e2ea2 100644
--- a/dataforge-vis-spatial/src/commonMain/kotlin/hep/dataforge/vis/spatial/Visual3DPlugin.kt
+++ b/dataforge-vis-spatial/src/commonMain/kotlin/hep/dataforge/vis/spatial/Visual3DPlugin.kt
@@ -38,7 +38,7 @@ class Visual3DPlugin(meta: Meta) : AbstractPlugin(meta) {
             contextual(Point2DSerializer)
             contextual(NameSerializer)
             contextual(NameTokenSerializer)
-            contextual(Meta::class, MetaSerializer)
+            contextual(MetaSerializer)
             contextual(ConfigSerializer)
 
             polymorphic(VisualObject::class, VisualObject3D::class) {
@@ -48,7 +48,8 @@ class Visual3DPlugin(meta: Meta) : AbstractPlugin(meta) {
                 Tube::class with Tube.serializer()
                 Box::class with Box.serializer()
                 Convex::class with Convex.serializer()
-                addSubclass(Extruded.serializer())
+                Extruded::class with Extruded.serializer()
+                addSubclass(Label3D.serializer())
             }
         }
 
diff --git a/dataforge-vis-spatial/src/commonMain/kotlin/hep/dataforge/vis/spatial/World.kt b/dataforge-vis-spatial/src/commonMain/kotlin/hep/dataforge/vis/spatial/World.kt
index 0743357d..bc946987 100644
--- a/dataforge-vis-spatial/src/commonMain/kotlin/hep/dataforge/vis/spatial/World.kt
+++ b/dataforge-vis-spatial/src/commonMain/kotlin/hep/dataforge/vis/spatial/World.kt
@@ -3,12 +3,8 @@ package hep.dataforge.vis.spatial
 import kotlin.math.PI
 
 object World {
-    const val CAMERA_INITIAL_DISTANCE = -500.0
-    const val CAMERA_INITIAL_X_ANGLE = -50.0
-    const val CAMERA_INITIAL_Y_ANGLE = 0.0
-    const val CAMERA_INITIAL_Z_ANGLE = -210.0
-    const val CAMERA_NEAR_CLIP = 0.1
-    const val CAMERA_FAR_CLIP = 10000.0
+    val ZERO = Point3D(0.0, 0.0, 0.0)
+    val ONE = Point3D(1.0, 1.0, 1.0)
 }
 
 const val PI2: Float = 2 * PI.toFloat()
\ No newline at end of file
diff --git a/dataforge-vis-spatial/src/commonMain/kotlin/hep/dataforge/vis/spatial/geometry.kt b/dataforge-vis-spatial/src/commonMain/kotlin/hep/dataforge/vis/spatial/geometry.kt
index e3cbcc3d..75336e60 100644
--- a/dataforge-vis-spatial/src/commonMain/kotlin/hep/dataforge/vis/spatial/geometry.kt
+++ b/dataforge-vis-spatial/src/commonMain/kotlin/hep/dataforge/vis/spatial/geometry.kt
@@ -38,9 +38,4 @@ fun Point3D.toMeta() = buildMeta {
     VisualObject3D.x put x
     VisualObject3D.y put y
     VisualObject3D.z put z
-}
-
-object GeometryConstants {
-    val zero = Point3D(0.0, 0.0, 0.0)
-    val one = Point3D(1.0, 1.0, 1.0)
 }
\ No newline at end of file
diff --git a/dataforge-vis-spatial/src/commonMain/kotlin/hep/dataforge/vis/spatial/specifications/AxesSpec.kt b/dataforge-vis-spatial/src/commonMain/kotlin/hep/dataforge/vis/spatial/specifications/AxesSpec.kt
new file mode 100644
index 00000000..b46b9f4d
--- /dev/null
+++ b/dataforge-vis-spatial/src/commonMain/kotlin/hep/dataforge/vis/spatial/specifications/AxesSpec.kt
@@ -0,0 +1,17 @@
+package hep.dataforge.vis.spatial.specifications
+
+import hep.dataforge.meta.*
+
+class AxesSpec(override val config: Config) : Specific {
+    var visible by boolean(!config.isEmpty())
+    var size by double(AXIS_SIZE)
+    var width by double(AXIS_WIDTH)
+
+    companion object : Specification<AxesSpec> {
+        override fun wrap(config: Config): AxesSpec = AxesSpec(config)
+
+        const val AXIS_SIZE = 1000.0
+        const val AXIS_WIDTH = 3.0
+
+    }
+}
\ No newline at end of file
diff --git a/dataforge-vis-spatial/src/commonMain/kotlin/hep/dataforge/vis/spatial/specifications/CameraSpec.kt b/dataforge-vis-spatial/src/commonMain/kotlin/hep/dataforge/vis/spatial/specifications/CameraSpec.kt
new file mode 100644
index 00000000..eb23472f
--- /dev/null
+++ b/dataforge-vis-spatial/src/commonMain/kotlin/hep/dataforge/vis/spatial/specifications/CameraSpec.kt
@@ -0,0 +1,26 @@
+package hep.dataforge.vis.spatial.specifications
+
+import hep.dataforge.meta.*
+import kotlin.math.PI
+
+class CameraSpec(override val config: Config) : Specific {
+    var fov by int(FIELD_OF_VIEW)
+    //var aspect by double(1.0)
+    var nearClip by double(NEAR_CLIP)
+    var farClip by double(FAR_CLIP)
+
+    var distance by double(INITIAL_DISTANCE)
+    var azimuth by double(INITIAL_AZIMUTH)
+    var latitude by double(INITIAL_LATITUDE)
+    val zenith: Double get() = PI / 2 - latitude
+
+    companion object : Specification<CameraSpec> {
+        override fun wrap(config: Config): CameraSpec = CameraSpec(config)
+        const val INITIAL_DISTANCE = 300.0
+        const val INITIAL_AZIMUTH = 0.0
+        const val INITIAL_LATITUDE = PI/6
+        const val NEAR_CLIP = 0.1
+        const val FAR_CLIP = 10000.0
+        const val FIELD_OF_VIEW = 75
+    }
+}
\ No newline at end of file
diff --git a/dataforge-vis-spatial/src/commonMain/kotlin/hep/dataforge/vis/spatial/specifications/CanvasSpec.kt b/dataforge-vis-spatial/src/commonMain/kotlin/hep/dataforge/vis/spatial/specifications/CanvasSpec.kt
new file mode 100644
index 00000000..d9cbded6
--- /dev/null
+++ b/dataforge-vis-spatial/src/commonMain/kotlin/hep/dataforge/vis/spatial/specifications/CanvasSpec.kt
@@ -0,0 +1,15 @@
+package hep.dataforge.vis.spatial.specifications
+
+import hep.dataforge.meta.*
+
+class CanvasSpec(override val config: Config) : Specific {
+    var axes by spec(AxesSpec)
+    var camera by spec(CameraSpec)
+    var controls by spec(ControlsSpec)
+    var minSize by int(300)
+
+    companion object: Specification<CanvasSpec>{
+        override fun wrap(config: Config): CanvasSpec = CanvasSpec(config)
+
+    }
+}
\ No newline at end of file
diff --git a/dataforge-vis-spatial/src/commonMain/kotlin/hep/dataforge/vis/spatial/specifications/ControlsSpec.kt b/dataforge-vis-spatial/src/commonMain/kotlin/hep/dataforge/vis/spatial/specifications/ControlsSpec.kt
new file mode 100644
index 00000000..2a828766
--- /dev/null
+++ b/dataforge-vis-spatial/src/commonMain/kotlin/hep/dataforge/vis/spatial/specifications/ControlsSpec.kt
@@ -0,0 +1,11 @@
+package hep.dataforge.vis.spatial.specifications
+
+import hep.dataforge.meta.Config
+import hep.dataforge.meta.Specific
+import hep.dataforge.meta.Specification
+
+class ControlsSpec(override val config: Config) : Specific {
+    companion object : Specification<ControlsSpec> {
+        override fun wrap(config: Config): ControlsSpec = ControlsSpec(config)
+    }
+}
\ No newline at end of file
diff --git a/dataforge-vis-spatial/src/commonMain/kotlin/hep/dataforge/vis/spatial/transform/RemoveSingleChild.kt b/dataforge-vis-spatial/src/commonMain/kotlin/hep/dataforge/vis/spatial/transform/RemoveSingleChild.kt
index 7426658c..70db5c75 100644
--- a/dataforge-vis-spatial/src/commonMain/kotlin/hep/dataforge/vis/spatial/transform/RemoveSingleChild.kt
+++ b/dataforge-vis-spatial/src/commonMain/kotlin/hep/dataforge/vis/spatial/transform/RemoveSingleChild.kt
@@ -15,8 +15,8 @@ internal fun mergeChild(parent: VisualGroup, child: VisualObject): VisualObject
         //parent.properties?.let { config.update(it) }
 
         if (this is VisualObject3D && parent is VisualObject3D) {
-            position = (position ?: GeometryConstants.zero) + (parent.position ?: GeometryConstants.zero)
-            rotation = (parent.rotation ?: GeometryConstants.zero) + (parent.rotation ?: GeometryConstants.zero)
+            position = (position ?: World.ZERO) + (parent.position ?: World.ZERO)
+            rotation = (parent.rotation ?: World.ZERO) + (parent.rotation ?: World.ZERO)
             scale = when {
                 scale == null && parent.scale == null -> null
                 scale == null -> parent.scale
diff --git a/dataforge-vis-spatial/src/jsMain/kotlin/hep/dataforge/vis/spatial/three/ThreeCanvas.kt b/dataforge-vis-spatial/src/jsMain/kotlin/hep/dataforge/vis/spatial/three/ThreeCanvas.kt
index 9d3f418e..bc15df9c 100644
--- a/dataforge-vis-spatial/src/jsMain/kotlin/hep/dataforge/vis/spatial/three/ThreeCanvas.kt
+++ b/dataforge-vis-spatial/src/jsMain/kotlin/hep/dataforge/vis/spatial/three/ThreeCanvas.kt
@@ -1,59 +1,61 @@
 package hep.dataforge.vis.spatial.three
 
 import hep.dataforge.context.Context
-import hep.dataforge.meta.*
+import hep.dataforge.meta.Meta
+import hep.dataforge.meta.get
+import hep.dataforge.meta.string
 import hep.dataforge.output.Renderer
 import hep.dataforge.vis.common.Colors
+import hep.dataforge.vis.spatial.Point3D
 import hep.dataforge.vis.spatial.VisualObject3D
-import hep.dataforge.vis.spatial.World
+import hep.dataforge.vis.spatial.specifications.AxesSpec
+import hep.dataforge.vis.spatial.specifications.CameraSpec
+import hep.dataforge.vis.spatial.specifications.CanvasSpec
+import hep.dataforge.vis.spatial.specifications.ControlsSpec
 import info.laht.threekt.WebGLRenderer
 import info.laht.threekt.cameras.PerspectiveCamera
 import info.laht.threekt.external.controls.OrbitControls
 import info.laht.threekt.external.controls.TrackballControls
 import info.laht.threekt.helpers.AxesHelper
-import info.laht.threekt.lights.AmbientLight
 import info.laht.threekt.scenes.Scene
 import org.w3c.dom.HTMLElement
 import org.w3c.dom.Node
 import kotlin.browser.window
 import kotlin.dom.clear
+import kotlin.math.cos
 import kotlin.math.max
+import kotlin.math.sin
 
-class ThreeCanvas(val three: ThreePlugin, val meta: Meta = EmptyMeta) : Renderer<VisualObject3D> {
+class ThreeCanvas(val three: ThreePlugin, val spec: CanvasSpec) : Renderer<VisualObject3D> {
 
     override val context: Context get() = three.context
 
-    var data: VisualObject3D? = null
+    var content: VisualObject3D? = null
         private set
 
-    val axes = AxesHelper(meta["axes.size"].int ?: 50).apply { visible = false }
+    val axes = AxesHelper(spec.axes.size.toInt()).apply {
+        visible = spec.axes.visible
+    }
 
     val scene: Scene = Scene().apply {
-        add(AmbientLight())
-        if (meta["axes.visible"].boolean == true) {
-            axes.visible = true
-        }
         add(axes)
     }
 
-    private fun buildCamera(meta: Meta) = PerspectiveCamera(
-        meta["fov"].int ?: 75,
-        meta["aspect"].double ?: 1.0,
-        meta["nearClip"].double ?: World.CAMERA_NEAR_CLIP,
-        meta["farClip"].double ?: World.CAMERA_FAR_CLIP
+    val camera = buildCamera(spec.camera)
+
+    private fun buildCamera(spec: CameraSpec) = PerspectiveCamera(
+        spec.fov,
+        1.0,
+        spec.nearClip,
+        spec.farClip
     ).apply {
-        position.setZ(World.CAMERA_INITIAL_DISTANCE)
-        rotation.set(
-            World.CAMERA_INITIAL_X_ANGLE,
-            World.CAMERA_INITIAL_Y_ANGLE,
-            World.CAMERA_INITIAL_Z_ANGLE
-        )
+        translateX(spec.distance* sin(spec.zenith) * sin(spec.azimuth))
+        translateY(spec.distance* cos(spec.zenith))
+        translateZ(spec.distance * sin(spec.zenith) * cos(spec.azimuth))
     }
 
-    val camera = buildCamera(meta["camera"].node ?: EmptyMeta)
-
-    private fun addControls(element: Node, meta: Meta) {
-        when (meta["type"].string) {
+    private fun addControls(element: Node, controlsSpec: ControlsSpec) {
+        when (controlsSpec["type"].string) {
             "trackball" -> TrackballControls(camera, element)
             else -> OrbitControls(camera, element)
         }
@@ -69,7 +71,7 @@ class ThreeCanvas(val three: ThreePlugin, val meta: Meta = EmptyMeta) : Renderer
 
         }
 
-        addControls(renderer.domElement, meta["controls"].node ?: EmptyMeta)
+        addControls(renderer.domElement, spec.controls ?: ControlsSpec.empty())
 
         fun animate() {
             window.requestAnimationFrame {
@@ -80,9 +82,7 @@ class ThreeCanvas(val three: ThreePlugin, val meta: Meta = EmptyMeta) : Renderer
 
         element.appendChild(renderer.domElement)
 
-        val minSize by meta.number(0).int
-
-        renderer.setSize(max(minSize, element.offsetWidth), max(minSize, element.offsetWidth))
+        renderer.setSize(max(spec.minSize, element.offsetWidth), max(spec.minSize, element.offsetWidth))
 
         element.onresize = {
             renderer.setSize(element.offsetWidth, element.offsetWidth)
@@ -93,13 +93,13 @@ class ThreeCanvas(val three: ThreePlugin, val meta: Meta = EmptyMeta) : Renderer
     }
 
     override fun render(obj: VisualObject3D, meta: Meta) {
-        data = obj
+        content = obj
         scene.add(three.buildObject3D(obj))
     }
 }
 
-fun ThreePlugin.output(element: HTMLElement? = null, meta: Meta = EmptyMeta, override: MetaBuilder.() -> Unit = {}) =
-    ThreeCanvas(this, buildMeta(meta, override)).apply {
+fun ThreePlugin.output(element: HTMLElement? = null, spec: CanvasSpec = CanvasSpec.empty()): ThreeCanvas =
+    ThreeCanvas(this, spec).apply {
         if (element != null) {
             attach(element)
         }
diff --git a/dataforge-vis-spatial/src/jsMain/kotlin/hep/dataforge/vis/spatial/three/ThreeTextFactory.kt b/dataforge-vis-spatial/src/jsMain/kotlin/hep/dataforge/vis/spatial/three/ThreeLabelFactory.kt
similarity index 61%
rename from dataforge-vis-spatial/src/jsMain/kotlin/hep/dataforge/vis/spatial/three/ThreeTextFactory.kt
rename to dataforge-vis-spatial/src/jsMain/kotlin/hep/dataforge/vis/spatial/three/ThreeLabelFactory.kt
index 8ab3e8bc..b7d292c7 100644
--- a/dataforge-vis-spatial/src/jsMain/kotlin/hep/dataforge/vis/spatial/three/ThreeTextFactory.kt
+++ b/dataforge-vis-spatial/src/jsMain/kotlin/hep/dataforge/vis/spatial/three/ThreeLabelFactory.kt
@@ -1,29 +1,35 @@
 package hep.dataforge.vis.spatial.three
 
 import hep.dataforge.vis.spatial.Label3D
+import hep.dataforge.vis.spatial.color
 import info.laht.threekt.DoubleSide
 import info.laht.threekt.core.Object3D
-import info.laht.threekt.geometries.PlaneGeometry
+import info.laht.threekt.geometries.PlaneBufferGeometry
 import info.laht.threekt.materials.MeshBasicMaterial
 import info.laht.threekt.objects.Mesh
 import info.laht.threekt.textures.Texture
-import org.w3c.dom.CanvasRenderingContext2D
-import org.w3c.dom.HTMLCanvasElement
+import org.w3c.dom.*
 import kotlin.browser.document
+import kotlin.math.PI
 import kotlin.reflect.KClass
 
 /**
  * Using example from http://stemkoski.github.io/Three.js/Texture-From-Canvas.html
  */
-object ThreeTextFactory : ThreeFactory<Label3D> {
+object ThreeLabelFactory : ThreeFactory<Label3D> {
     override val type: KClass<in Label3D> get() = Label3D::class
 
     override fun invoke(obj: Label3D): Object3D {
         val canvas = document.createElement("canvas") as HTMLCanvasElement
         val context = canvas.getContext("2d") as CanvasRenderingContext2D
-        context.font = "${obj.fontSize}pt ${obj.fontFamily}"
-        context.fillStyle = "rgba(255,0,0,0.95)"//obj.material?.color ?: "black"
-        context.fillText(obj.text, 0.0, 0.0)
+        context.font = "Bold ${obj.fontSize}pt ${obj.fontFamily}"
+        context.fillStyle = obj.color ?: "black"
+        context.textAlign = CanvasTextAlign.CENTER
+        //context.textBaseline = CanvasTextBaseline.MIDDLE
+        val metrics = context.measureText(obj.text)
+
+        context.fillText(obj.text, 0.5*metrics.width, 0.5*metrics.width)
+
 
         // canvas contents will be used for a texture
         val texture = Texture(canvas)
@@ -32,14 +38,16 @@ object ThreeTextFactory : ThreeFactory<Label3D> {
         val material = MeshBasicMaterial().apply {
             map = texture
             side = DoubleSide
+            transparent = true
         }
-        material.transparent = true;
 
         val mesh = Mesh(
-            PlaneGeometry(canvas.clientWidth, canvas.clientHeight),
+            PlaneBufferGeometry(canvas.width, canvas.height),
             material
         )
 
+        //mesh.rotateX(PI)
+
         mesh.updatePosition(obj)
 
         return mesh
diff --git a/dataforge-vis-spatial/src/jsMain/kotlin/hep/dataforge/vis/spatial/three/ThreePlugin.kt b/dataforge-vis-spatial/src/jsMain/kotlin/hep/dataforge/vis/spatial/three/ThreePlugin.kt
index b1356d3b..15a19515 100644
--- a/dataforge-vis-spatial/src/jsMain/kotlin/hep/dataforge/vis/spatial/three/ThreePlugin.kt
+++ b/dataforge-vis-spatial/src/jsMain/kotlin/hep/dataforge/vis/spatial/three/ThreePlugin.kt
@@ -27,7 +27,7 @@ class ThreePlugin : AbstractPlugin() {
         objectFactories[Sphere::class] = ThreeSphereFactory
         objectFactories[ConeSegment::class] = ThreeCylinderFactory
         objectFactories[PolyLine::class] = ThreeLineFactory
-        objectFactories[Label3D::class] = ThreeTextFactory
+        objectFactories[Label3D::class] = ThreeLabelFactory
     }
 
     @Suppress("UNCHECKED_CAST")
diff --git a/dataforge-vis-spatial/src/jsMain/kotlin/hep/dataforge/vis/spatial/three/outputConfig.kt b/dataforge-vis-spatial/src/jsMain/kotlin/hep/dataforge/vis/spatial/three/outputConfig.kt
index f2177fda..1c582ee2 100644
--- a/dataforge-vis-spatial/src/jsMain/kotlin/hep/dataforge/vis/spatial/three/outputConfig.kt
+++ b/dataforge-vis-spatial/src/jsMain/kotlin/hep/dataforge/vis/spatial/three/outputConfig.kt
@@ -1,51 +1,67 @@
 package hep.dataforge.vis.spatial.three
 
+import hep.dataforge.js.requireJS
 import hep.dataforge.vis.js.editor.card
+import hep.dataforge.vis.spatial.Visual3DPlugin
+import hep.dataforge.vis.spatial.VisualGroup3D
 import kotlinx.html.InputType
+import kotlinx.html.TagConsumer
 import kotlinx.html.button
 import kotlinx.html.dom.append
 import kotlinx.html.js.*
 import org.w3c.dom.Element
+import org.w3c.dom.HTMLElement
+import org.w3c.dom.events.Event
+import org.w3c.files.Blob
+import org.w3c.files.BlobPropertyBag
 import kotlin.dom.clear
 
-//private fun download(filename: String, text: String) {
-//    var element = document.createElement("a");
-//    element.setAttribute("href", "data:text/json;charset=utf-8," + encodeURIComponent(text));
-//    element.setAttribute("download", filename);
-//
-//    element.style.display = 'none';
-//    document.body.appendChild(element);
-//
-//    element.click();
-//
-//    document.body.removeChild(element);
-//}
+private fun saveData(event: Event, fileName: String, mimeType: String = "text/plain", dataBuilder: () -> String) {
+    event.stopPropagation();
+    event.preventDefault();
 
-fun Element.threeOutputConfig(canvas: ThreeCanvas) {
+    val fileSaver = requireJS("file-saver")
+    val blob = Blob(arrayOf(dataBuilder()), BlobPropertyBag("$mimeType;charset=utf-8"))
+    fileSaver.saveAs(blob, fileName)
+}
+
+fun Element.threeSettings(canvas: ThreeCanvas, block: TagConsumer<HTMLElement>.() -> Unit = {}) {
     clear()
     append {
-        card("Settings"){
-            div("row"){
-                div("col-1") {
-                    label { +"Axes" }
-                    input(type = InputType.checkBox).apply {
-                        checked = canvas.axes.visible
-                        onChangeFunction = {
-                            canvas.axes.visible = checked
+        card("Settings") {
+            div("row") {
+                div("col-2") {
+                    label("checkbox-inline") {
+                        input(type = InputType.checkBox).apply {
+                            checked = canvas.axes.visible
+                            onChangeFunction = {
+                                canvas.axes.visible = checked
+                            }
                         }
+                        +"Axes"
                     }
                 }
                 div("col-1") {
                     button {
                         +"Export"
                         onClickFunction = {
-
+                            val json = (canvas.content as? VisualGroup3D)?.let { group ->
+                                Visual3DPlugin.json.stringify(
+                                    VisualGroup3D.serializer(),
+                                    group
+                                )
+                            }
+                            if (json != null) {
+                                saveData(it, "object.json", "text/json"){
+                                    json
+                                }
+                            }
                         }
                     }
                 }
             }
         }
-        card("Layers"){
+        card("Layers") {
             div("row") {
                 (0..11).forEach { layer ->
                     div("col-1") {
@@ -66,5 +82,6 @@ fun Element.threeOutputConfig(canvas: ThreeCanvas) {
                 }
             }
         }
+        block()
     }
 }
\ No newline at end of file
diff --git a/dataforge-vis-spatial/src/jsMain/kotlin/hep/dataforge/vis/spatial/three/three.kt b/dataforge-vis-spatial/src/jsMain/kotlin/hep/dataforge/vis/spatial/three/three.kt
index a203d1f5..318989ca 100644
--- a/dataforge-vis-spatial/src/jsMain/kotlin/hep/dataforge/vis/spatial/three/three.kt
+++ b/dataforge-vis-spatial/src/jsMain/kotlin/hep/dataforge/vis/spatial/three/three.kt
@@ -5,7 +5,6 @@ import hep.dataforge.meta.float
 import hep.dataforge.meta.get
 import hep.dataforge.meta.node
 import hep.dataforge.vis.spatial.*
-import hep.dataforge.vis.spatial.GeometryConstants.zero
 import info.laht.threekt.core.*
 import info.laht.threekt.external.controls.OrbitControls
 import info.laht.threekt.materials.Material
@@ -13,6 +12,7 @@ import info.laht.threekt.math.Euler
 import info.laht.threekt.math.Vector3
 import info.laht.threekt.objects.Mesh
 import info.laht.threekt.textures.Texture
+import kotlin.math.PI
 
 /**
  * Utility methods for three.kt.
@@ -30,6 +30,8 @@ val MetaItem<*>.vector get() = Vector3(node["x"].float ?: 0f, node["y"].float ?:
 
 fun Geometry.toBufferGeometry(): BufferGeometry = BufferGeometry().apply { fromGeometry(this@toBufferGeometry) }
 
+internal fun Double.toRadians() = this * PI / 180
+
 fun CSG.toGeometry(): Geometry {
     val geom = Geometry()
 
@@ -45,7 +47,7 @@ fun CSG.toGeometry(): Geometry {
         }
 
         for (j in 3..polygon.vertices.size) {
-            val fc = Face3(v0, v0 + j - 2, v0 + j - 1, zero)
+            val fc = Face3(v0, v0 + j - 2, v0 + j - 1, World.ZERO)
             fc.vertexNormals = arrayOf(
                 Vector3().copy(pvs[0].normal),
                 Vector3().copy(pvs[j - 2].normal),
diff --git a/dataforge-vis-spatial/src/jvmMain/kotlin/hep/dataforge/vis/spatial/fx/FXCanvas3D.kt b/dataforge-vis-spatial/src/jvmMain/kotlin/hep/dataforge/vis/spatial/fx/FXCanvas3D.kt
index 184c31aa..15718d3c 100644
--- a/dataforge-vis-spatial/src/jvmMain/kotlin/hep/dataforge/vis/spatial/fx/FXCanvas3D.kt
+++ b/dataforge-vis-spatial/src/jvmMain/kotlin/hep/dataforge/vis/spatial/fx/FXCanvas3D.kt
@@ -2,29 +2,20 @@ package hep.dataforge.vis.spatial.fx
 
 import hep.dataforge.context.Context
 import hep.dataforge.context.ContextAware
-import hep.dataforge.meta.*
+import hep.dataforge.meta.Meta
 import hep.dataforge.output.Renderer
 import hep.dataforge.vis.spatial.VisualObject3D
-import hep.dataforge.vis.spatial.World.CAMERA_FAR_CLIP
-import hep.dataforge.vis.spatial.World.CAMERA_INITIAL_DISTANCE
-import hep.dataforge.vis.spatial.World.CAMERA_INITIAL_X_ANGLE
-import hep.dataforge.vis.spatial.World.CAMERA_INITIAL_Y_ANGLE
-import hep.dataforge.vis.spatial.World.CAMERA_NEAR_CLIP
+import hep.dataforge.vis.spatial.specifications.CanvasSpec
 import javafx.application.Platform
 import javafx.beans.property.ObjectProperty
 import javafx.beans.property.SimpleObjectProperty
-import javafx.event.EventHandler
 import javafx.scene.*
-import javafx.scene.input.KeyCode
-import javafx.scene.input.KeyEvent
-import javafx.scene.input.MouseEvent
-import javafx.scene.input.ScrollEvent
+import javafx.scene.layout.BorderPane
 import javafx.scene.paint.Color
 import org.fxyz3d.scene.Axes
-import org.fxyz3d.utils.CameraTransformer
 import tornadofx.*
 
-class FXCanvas3D(val plugin: FX3DPlugin, meta: Meta = EmptyMeta) :
+class FXCanvas3D(val plugin: FX3DPlugin, val spec: CanvasSpec) :
     Fragment(), Renderer<VisualObject3D>, ContextAware {
 
     override val context: Context get() = plugin.context
@@ -32,41 +23,23 @@ class FXCanvas3D(val plugin: FX3DPlugin, meta: Meta = EmptyMeta) :
     val world = Group()
 
     val axes = Axes().also {
-        it.setHeight(meta["axis.size"].double ?: AXIS_LENGTH)
-        it.setRadius(meta["axis.width"].double ?: LINE_WIDTH)
-        it.isVisible = meta["axis.visible"].boolean ?: (meta["axis"] != null)
+        it.setHeight(spec.axes.size)
+        it.setRadius(spec.axes.width)
+        it.isVisible = spec.axes.visible
         world.add(it)
     }
 
     val light = AmbientLight()
 
     private val camera = PerspectiveCamera().apply {
-        nearClip = CAMERA_NEAR_CLIP
-        farClip = CAMERA_FAR_CLIP
-        translateZ = CAMERA_INITIAL_DISTANCE
+        nearClip = spec.camera.nearClip
+        farClip = spec.camera.farClip
+        fieldOfView = spec.camera.fov.toDouble()
         this.add(light)
     }
 
-    val cameraTransform = CameraTransformer().also {
-        it.add(camera)
-    }
-
-    val translationXProperty get() = cameraTransform.t.xProperty()
-    var translateX by translationXProperty
-    val translationYProperty get() = cameraTransform.t.yProperty()
-    var translateY by translationYProperty
-    val translationZProperty get() = cameraTransform.t.zProperty()
-    var translateZ by translationZProperty
-
-    val rotationXProperty get() = cameraTransform.rx.angleProperty()
-    var angleX by rotationXProperty
-    val rotationYProperty get() = cameraTransform.ry.angleProperty()
-    var angleY by rotationYProperty
-    val rotationZProperty get() = cameraTransform.rz.angleProperty()
-    var angleZ by rotationZProperty
-
     private val canvas = SubScene(
-        Group(world, cameraTransform).apply { DepthTest.ENABLE },
+        Group(world, camera).apply { DepthTest.ENABLE },
         400.0,
         400.0,
         true,
@@ -74,15 +47,16 @@ class FXCanvas3D(val plugin: FX3DPlugin, meta: Meta = EmptyMeta) :
     ).also { scene ->
         scene.fill = Color.GREY
         scene.camera = camera
-        //id = "canvas"
-        handleKeyboard(scene)
-        handleMouse(scene)
     }
 
     override val root = borderpane {
         center = canvas
     }
 
+    val controls = camera.orbitControls(canvas, spec.camera).also {
+        world.add(it.centerMarker)
+    }
+
     val rootObjectProperty: ObjectProperty<VisualObject3D> = SimpleObjectProperty()
     var rootObject: VisualObject3D? by rootObjectProperty
 
@@ -105,99 +79,7 @@ class FXCanvas3D(val plugin: FX3DPlugin, meta: Meta = EmptyMeta) :
         }
     }
 
-
-    private fun handleKeyboard(scene: SubScene) {
-        scene.onKeyPressed = EventHandler<KeyEvent> { event ->
-            if (event.isControlDown) {
-                when (event.code) {
-                    KeyCode.Z -> {
-                        translateX = 0.0
-                        translateY = 0.0
-                        camera.translateZ = CAMERA_INITIAL_DISTANCE
-                        angleY = CAMERA_INITIAL_Y_ANGLE
-                        angleX = CAMERA_INITIAL_X_ANGLE
-                    }
-                    KeyCode.X -> axes.isVisible = !axes.isVisible
-//                    KeyCode.S -> snapshot()
-//                    KeyCode.DIGIT1 -> pixelMap.filterKeys { it.getLayerNumber() == 1 }.values.forEach {
-//                        toggleTransparency(
-//                            it
-//                        )
-//                    }
-//                    KeyCode.DIGIT2 -> pixelMap.filterKeys { it.getLayerNumber() == 2 }.values.forEach {
-//                        toggleTransparency(
-//                            it
-//                        )
-//                    }
-//                    KeyCode.DIGIT3 -> pixelMap.filterKeys { it.getLayerNumber() == 3 }.values.forEach {
-//                        toggleTransparency(
-//                            it
-//                        )
-//                    }
-                    else -> {
-                    }//do nothing
-                }
-            }
-        }
-    }
-
-    private fun handleMouse(scene: SubScene) {
-
-        var mousePosX: Double = 0.0
-        var mousePosY: Double = 0.0
-        var mouseOldX: Double = 0.0
-        var mouseOldY: Double = 0.0
-        var mouseDeltaX: Double = 0.0
-        var mouseDeltaY: Double = 0.0
-
-        scene.onMousePressed = EventHandler<MouseEvent> { me ->
-            mousePosX = me.sceneX
-            mousePosY = me.sceneY
-            mouseOldX = me.sceneX
-            mouseOldY = me.sceneY
-        }
-
-        scene.onMouseDragged = EventHandler<MouseEvent> { me ->
-            mouseOldX = mousePosX
-            mouseOldY = mousePosY
-            mousePosX = me.sceneX
-            mousePosY = me.sceneY
-            mouseDeltaX = mousePosX - mouseOldX
-            mouseDeltaY = mousePosY - mouseOldY
-
-            val modifier = when {
-                me.isControlDown -> CONTROL_MULTIPLIER
-                me.isShiftDown -> SHIFT_MULTIPLIER
-                else -> 1.0
-            }
-
-            if (me.isPrimaryButtonDown) {
-                angleY += mouseDeltaX * MOUSE_SPEED * modifier * ROTATION_SPEED
-                angleX += mouseDeltaY * MOUSE_SPEED * modifier * ROTATION_SPEED
-            } else if (me.isSecondaryButtonDown) {
-                translateX -= mouseDeltaX * MOUSE_SPEED * modifier * TRACK_SPEED
-                translateY -= mouseDeltaY * MOUSE_SPEED * modifier * TRACK_SPEED
-            }
-        }
-        scene.onScroll = EventHandler<ScrollEvent> { event ->
-            val z = camera.translateZ
-            val newZ = z + MOUSE_SPEED * event.deltaY * RESIZE_SPEED
-            camera.translateZ = newZ
-        }
-    }
-
     override fun render(obj: VisualObject3D, meta: Meta) {
         rootObject = obj
     }
-
-    companion object {
-        private const val AXIS_LENGTH = 400.0
-        private const val CONTROL_MULTIPLIER = 0.1
-        private const val SHIFT_MULTIPLIER = 10.0
-        private const val MOUSE_SPEED = 0.1
-        private const val ROTATION_SPEED = 2.0
-        private const val TRACK_SPEED = 6.0
-        private const val RESIZE_SPEED = 50.0
-        private const val LINE_WIDTH = 1.0
-    }
 }
\ No newline at end of file
diff --git a/dataforge-vis-spatial/src/jvmMain/kotlin/hep/dataforge/vis/spatial/fx/OrbitControls.kt b/dataforge-vis-spatial/src/jvmMain/kotlin/hep/dataforge/vis/spatial/fx/OrbitControls.kt
new file mode 100644
index 00000000..0a5a84ad
--- /dev/null
+++ b/dataforge-vis-spatial/src/jvmMain/kotlin/hep/dataforge/vis/spatial/fx/OrbitControls.kt
@@ -0,0 +1,174 @@
+package hep.dataforge.vis.spatial.fx
+
+import hep.dataforge.vis.spatial.specifications.CameraSpec
+import javafx.beans.InvalidationListener
+import javafx.beans.property.SimpleDoubleProperty
+import javafx.event.EventHandler
+import javafx.geometry.Point3D
+import javafx.scene.Camera
+import javafx.scene.Node
+import javafx.scene.SubScene
+import javafx.scene.input.MouseEvent
+import javafx.scene.input.ScrollEvent
+import javafx.scene.shape.Sphere
+import javafx.scene.transform.Rotate
+import javafx.scene.transform.Translate
+import tornadofx.*
+import kotlin.math.*
+
+
+class OrbitControls internal constructor(camera: Camera, canvas: SubScene, spec: CameraSpec) {
+
+    val distanceProperty = SimpleDoubleProperty(spec.distance)
+    var distance by distanceProperty
+
+    val azimuthProperty = SimpleDoubleProperty(spec.azimuth)
+    var azimuth by azimuthProperty
+
+    val zenithProperty = SimpleDoubleProperty(PI/2 - spec.latitude)
+    var zenith by zenithProperty
+
+    val latitudeProperty = zenithProperty.unaryMinus().plus(PI/2)
+    val latitude by latitudeProperty
+
+    val baseXProperty = SimpleDoubleProperty(0.0)
+    var x by baseXProperty
+    val baseYProperty = SimpleDoubleProperty(0.0)
+    var y by baseYProperty
+    val baseZProperty = SimpleDoubleProperty(0.0)
+    var z by baseZProperty
+
+//    val basePositionProperty: ObjectBinding<Point3D> =
+//        nonNullObjectBinding(baseXProperty, baseYProperty, baseZProperty) {
+//            Point3D(x, y, z)
+//        }
+//
+//    val basePosition by basePositionProperty
+
+    val centerMarker by lazy {
+        Sphere(10.0).also {
+            it.translateXProperty().bind(baseXProperty)
+            it.translateYProperty().bind(baseYProperty)
+            it.translateZProperty().bind(baseZProperty)
+        }
+    }
+
+    private val rx = Rotate(0.0, Rotate.X_AXIS)
+
+    private val ry = Rotate(0.0, Rotate.Y_AXIS)
+
+    private val translate = Translate()
+
+    private val rz = Rotate(180.0, Rotate.Z_AXIS)
+
+
+    init {
+        camera.transforms.setAll(ry, rx, translate,rz)
+        update()
+        val listener = InvalidationListener {
+            update()
+        }
+        distanceProperty.addListener(listener)
+        azimuthProperty.addListener(listener)
+        zenithProperty.addListener(listener)
+        baseXProperty.addListener(listener)
+        baseYProperty.addListener(listener)
+        baseZProperty.addListener(listener)
+
+        canvas.apply {
+            camera.translateXProperty().bind(widthProperty().divide(2))
+            camera.translateZProperty().bind(heightProperty().divide(2))
+            handleMouse()
+        }
+//        coordinateContainer?.vbox {
+//            label(distanceProperty.asString())
+//            label(azimuthProperty.asString())
+//            label(zenithProperty.asString())
+//        }
+    }
+
+    private fun update() {
+        val spherePosition = Point3D(
+            sin(zenith) * sin(azimuth),
+            cos(zenith),
+            sin(zenith) * cos(azimuth)
+        ).times(distance)
+        val basePosition = Point3D(x, y, z)
+        //Create direction vector
+        val cameraPosition = basePosition + spherePosition
+        val camDirection: Point3D = (-spherePosition).normalize()
+
+        val xRotation = Math.toDegrees(asin(-camDirection.y))
+        val yRotation = Math.toDegrees(atan2(camDirection.x, camDirection.z))
+
+        rx.pivotX = cameraPosition.x
+        rx.pivotY = cameraPosition.y
+        rx.pivotZ = cameraPosition.z
+        rx.angle = xRotation
+
+        ry.pivotX = cameraPosition.x
+        ry.pivotY = cameraPosition.y
+        ry.pivotZ = cameraPosition.z
+        ry.angle = yRotation
+
+        translate.x = cameraPosition.x
+        translate.y = cameraPosition.y
+        translate.z = cameraPosition.z
+    }
+
+
+    private fun Node.handleMouse() {
+
+        var mousePosX = 0.0
+        var mousePosY = 0.0
+        var mouseOldX: Double
+        var mouseOldY: Double
+        var mouseDeltaX: Double
+        var mouseDeltaY: Double
+
+        onMousePressed = EventHandler<MouseEvent> { me ->
+            mousePosX = me.sceneX
+            mousePosY = me.sceneY
+            mouseOldX = me.sceneX
+            mouseOldY = me.sceneY
+        }
+
+        onMouseDragged = EventHandler<MouseEvent> { me ->
+            mouseOldX = mousePosX
+            mouseOldY = mousePosY
+            mousePosX = me.sceneX
+            mousePosY = me.sceneY
+            mouseDeltaX = mousePosX - mouseOldX
+            mouseDeltaY = mousePosY - mouseOldY
+
+            val modifier = when {
+                me.isControlDown -> CONTROL_MULTIPLIER
+                me.isShiftDown -> SHIFT_MULTIPLIER
+                else -> 1.0
+            }
+
+            if (me.isPrimaryButtonDown) {
+                azimuth -= mouseDeltaX * MOUSE_SPEED * modifier * ROTATION_SPEED
+                zenith -= mouseDeltaY * MOUSE_SPEED * modifier * ROTATION_SPEED
+            } else if (me.isSecondaryButtonDown) {
+                x += mouseDeltaX * MOUSE_SPEED * modifier * TRACK_SPEED
+                z -= mouseDeltaY * MOUSE_SPEED * modifier * TRACK_SPEED
+            }
+        }
+        onScroll = EventHandler<ScrollEvent> { event ->
+            distance = max(1.0, distance - MOUSE_SPEED * event.deltaY * RESIZE_SPEED)
+        }
+    }
+
+    companion object {
+        private const val CONTROL_MULTIPLIER = 0.1
+        private const val SHIFT_MULTIPLIER = 10.0
+        private const val MOUSE_SPEED = 0.1
+        private const val ROTATION_SPEED = 0.02
+        private const val TRACK_SPEED = 6.0
+        private const val RESIZE_SPEED = 10.0
+    }
+}
+
+fun Camera.orbitControls(canvas: SubScene, spec: CameraSpec) =
+    OrbitControls(this, canvas, spec)
\ No newline at end of file
diff --git a/demo/gdml/src/jsMain/kotlin/hep/dataforge/vis/spatial/gdml/demo/GDMLDemoApp.kt b/demo/gdml/src/jsMain/kotlin/hep/dataforge/vis/spatial/gdml/demo/GDMLDemoApp.kt
index 0f459235..928fd24a 100644
--- a/demo/gdml/src/jsMain/kotlin/hep/dataforge/vis/spatial/gdml/demo/GDMLDemoApp.kt
+++ b/demo/gdml/src/jsMain/kotlin/hep/dataforge/vis/spatial/gdml/demo/GDMLDemoApp.kt
@@ -2,7 +2,7 @@ package hep.dataforge.vis.spatial.gdml.demo
 
 import hep.dataforge.context.Global
 import hep.dataforge.js.Application
-import hep.dataforge.js.objectTree
+import hep.dataforge.vis.js.editor.objectTree
 import hep.dataforge.js.startApplication
 import hep.dataforge.meta.buildMeta
 import hep.dataforge.meta.withBottom
@@ -20,7 +20,7 @@ import hep.dataforge.vis.spatial.gdml.LUnit
 import hep.dataforge.vis.spatial.gdml.toVisual
 import hep.dataforge.vis.spatial.three.ThreePlugin
 import hep.dataforge.vis.spatial.three.output
-import hep.dataforge.vis.spatial.three.threeOutputConfig
+import hep.dataforge.vis.spatial.three.threeSettings
 import hep.dataforge.vis.spatial.visible
 import kotlinx.html.dom.append
 import kotlinx.html.js.p
@@ -157,7 +157,7 @@ private class GDMLDemoApp : Application {
             val output = three.output(canvasElement as HTMLElement)
 
             output.camera.layers.set(0)
-            configElement.threeOutputConfig(output)
+            configElement.threeSettings(output)
             //tree.visualObjectTree(visual, editor::propertyEditor)
             treeElement.objectTree(NameToken("World"), visual) {
                 editorElement.propertyEditor(it) { item ->
diff --git a/demo/gdml/src/jsMain/web/index.html b/demo/gdml/src/jsMain/web/index.html
index b742dbcc..3b2a99b2 100644
--- a/demo/gdml/src/jsMain/web/index.html
+++ b/demo/gdml/src/jsMain/web/index.html
@@ -6,9 +6,9 @@
     <title>Three js demo for particle physics</title>
     <link rel="stylesheet" href="https://stackpath.bootstrapcdn.com/bootstrap/4.3.1/css/bootstrap.min.css"
           integrity="sha384-ggOyR0iXCbMQv3Xipma34MD+dH/1fQ784/j6cY/iJTQUOhcWr7x9JvoRxT2MZw1T" crossorigin="anonymous">
-    <link rel="stylesheet" href="css/ru.mipt.npm.muon.monitor.main.css">
+    <link rel="stylesheet" href="css/main.css">
     <link rel="stylesheet" href="css/jsoneditor.min.css">
-    <script type="text/javascript" src="ru.mipt.npm.muon.monitor.main.bundle.js"></script>
+    <script type="text/javascript" src="main.bundle.js"></script>
 </head>
 <body class="testApp">
 <div class="container" id="drop_zone" data-toggle="tooltip" data-placement="right"
diff --git a/demo/muon-monitor/build.gradle.kts b/demo/muon-monitor/build.gradle.kts
index 63fd659f..a6338794 100644
--- a/demo/muon-monitor/build.gradle.kts
+++ b/demo/muon-monitor/build.gradle.kts
@@ -20,7 +20,7 @@ kotlin {
     js {
         browser {
             webpackTask {
-                sourceMaps = false
+                sourceMaps = true
             }
         }
     }
diff --git a/demo/muon-monitor/src/jsMain/kotlin/ru/mipt/npm/muon/monitor/MMDemoApp.kt b/demo/muon-monitor/src/jsMain/kotlin/ru/mipt/npm/muon/monitor/MMDemoApp.kt
index c29aa20d..6f5f8c31 100644
--- a/demo/muon-monitor/src/jsMain/kotlin/ru/mipt/npm/muon/monitor/MMDemoApp.kt
+++ b/demo/muon-monitor/src/jsMain/kotlin/ru/mipt/npm/muon/monitor/MMDemoApp.kt
@@ -2,11 +2,11 @@ package ru.mipt.npm.muon.monitor
 
 import hep.dataforge.context.Global
 import hep.dataforge.js.Application
-import hep.dataforge.js.objectTree
 import hep.dataforge.js.startApplication
 import hep.dataforge.meta.buildMeta
 import hep.dataforge.meta.withBottom
 import hep.dataforge.names.NameToken
+import hep.dataforge.vis.js.editor.objectTree
 import hep.dataforge.vis.js.editor.propertyEditor
 import hep.dataforge.vis.spatial.Material3D.Companion.MATERIAL_COLOR_KEY
 import hep.dataforge.vis.spatial.Material3D.Companion.MATERIAL_OPACITY_KEY
@@ -15,11 +15,12 @@ import hep.dataforge.vis.spatial.VisualObject3D
 import hep.dataforge.vis.spatial.VisualObject3D.Companion.VISIBLE_KEY
 import hep.dataforge.vis.spatial.three.ThreePlugin
 import hep.dataforge.vis.spatial.three.output
-import hep.dataforge.vis.spatial.three.threeOutputConfig
+import hep.dataforge.vis.spatial.three.threeSettings
 import hep.dataforge.vis.spatial.visible
 import org.w3c.dom.HTMLElement
 import kotlin.browser.document
 import kotlin.dom.clear
+import kotlin.math.PI
 
 private class GDMLDemoApp : Application {
 //    /**
@@ -59,7 +60,8 @@ private class GDMLDemoApp : Application {
         //val url = URL("https://drive.google.com/open?id=1w5e7fILMN83JGgB8WANJUYm8OW2s0WVO")
 
         val canvasElement = document.getElementById("canvas") ?: error("Element with id 'canvas' not found on page")
-        val configElement = document.getElementById("layers") ?: error("Element with id 'layers' not found on page")
+        val settingsElement =
+            document.getElementById("settings") ?: error("Element with id 'settings' not found on page")
         val treeElement = document.getElementById("tree") ?: error("Element with id 'tree' not found on page")
         val editorElement = document.getElementById("editor") ?: error("Element with id 'editor' not found on page")
         canvasElement.clear()
@@ -71,7 +73,9 @@ private class GDMLDemoApp : Application {
         val output = three.output(canvasElement as HTMLElement)
 
         output.camera.layers.set(0)
-        configElement.threeOutputConfig(output)
+        output.camera.position.z = -2000.0
+        output.camera.position.y = 500.0
+        settingsElement.threeSettings(output)
         //tree.visualObjectTree(visual, editor::propertyEditor)
         treeElement.objectTree(NameToken("World"), visual) {
             editorElement.propertyEditor(it) { item ->
diff --git a/demo/muon-monitor/src/jsMain/web/index.html b/demo/muon-monitor/src/jsMain/web/index.html
index ee1b1197..3f8315fa 100644
--- a/demo/muon-monitor/src/jsMain/web/index.html
+++ b/demo/muon-monitor/src/jsMain/web/index.html
@@ -27,8 +27,8 @@
     <div class="row">
         <div class="col-lg-3" id="tree"></div>
         <div class="col-lg-6">
-            <div class="row" id="layers"></div>
-            <div class="row container" id="canvas"></div>
+            <div class="row" id="settings"></div>
+            <div class="row" id="canvas"></div>
         </div>
         <div class="col-lg-3" id="editor"></div>
     </div>
diff --git a/demo/spatial-showcase/src/commonMain/kotlin/hep/dataforge/vis/spatial/demo/demo.kt b/demo/spatial-showcase/src/commonMain/kotlin/hep/dataforge/vis/spatial/demo/demo.kt
index 09728066..ddb92491 100644
--- a/demo/spatial-showcase/src/commonMain/kotlin/hep/dataforge/vis/spatial/demo/demo.kt
+++ b/demo/spatial-showcase/src/commonMain/kotlin/hep/dataforge/vis/spatial/demo/demo.kt
@@ -1,11 +1,13 @@
 package hep.dataforge.vis.spatial.demo
 
 import hep.dataforge.meta.buildMeta
+import hep.dataforge.meta.invoke
 import hep.dataforge.names.toName
 import hep.dataforge.output.OutputManager
 import hep.dataforge.vis.common.Colors
 import hep.dataforge.vis.common.VisualObject
 import hep.dataforge.vis.spatial.*
+import hep.dataforge.vis.spatial.specifications.CanvasSpec
 import kotlinx.coroutines.*
 import kotlin.math.PI
 import kotlin.math.cos
@@ -21,10 +23,22 @@ fun OutputManager.demo(name: String, title: String = name, block: VisualGroup3D.
     output.render(action = block)
 }
 
+val canvasOptions = CanvasSpec {
+    minSize = 500
+    axes {
+        size = 500.0
+        visible = true
+    }
+    camera {
+        distance = 600.0
+        latitude = PI/6
+    }
+}
+
 fun OutputManager.showcase() {
     demo("shapes", "Basic shapes") {
         box(100.0, 100.0, 100.0) {
-            z = 110.0
+            z = -110.0
         }
         sphere(50.0) {
             x = 110
@@ -88,6 +102,7 @@ fun OutputManager.showcase() {
                 layer(i * 5, 20 * sin(2 * PI / 100 * i), 20 * cos(2 * PI / 100 * i))
             }
             color(Colors.teal)
+            rotationX = -PI / 2
         }
     }
 
@@ -111,13 +126,13 @@ fun OutputManager.showcase() {
         box(100, 100, 50) {
             opacity = 0.3
         }
-        label("Hello, world!",fontSize = 15) {
-            z = -26
+        label("Hello, world!", fontSize = 12) {
+            z = 26
         }
     }
 }
 
-fun OutputManager.showcaseCSG(){
+fun OutputManager.showcaseCSG() {
     demo("CSG.simple", "CSG operations") {
         composite(CompositeType.UNION) {
             box(100, 100, 100) {
diff --git a/demo/spatial-showcase/src/jsMain/kotlin/hep/dataforge/vis/spatial/demo/ThreeDemoApp.kt b/demo/spatial-showcase/src/jsMain/kotlin/hep/dataforge/vis/spatial/demo/ThreeDemoApp.kt
index 7d5c152c..7d9adc3e 100644
--- a/demo/spatial-showcase/src/jsMain/kotlin/hep/dataforge/vis/spatial/demo/ThreeDemoApp.kt
+++ b/demo/spatial-showcase/src/jsMain/kotlin/hep/dataforge/vis/spatial/demo/ThreeDemoApp.kt
@@ -22,27 +22,27 @@ private class ThreeDemoApp : Application {
         ThreeDemoGrid(element).run {
             showcase()
             showcaseCSG()
-            demo("dynamicBox", "Dancing boxes") {
-                val boxes = (-10..10).flatMap { i ->
-                    (-10..10).map { j ->
-                        varBox(10, 10, 0, name = "cell_${i}_${j}") {
-                            x = i * 10
-                            y = j * 10
-                            value = 128
-                            setProperty(EDGES_ENABLED_KEY, false)
-                            setProperty(WIREFRAME_ENABLED_KEY, false)
-                        }
-                    }
-                }
-                GlobalScope.launch {
-                    while (isActive) {
-                        delay(500)
-                        boxes.forEach { box ->
-                            box.value = (box.value + Random.nextInt(-15, 15)).coerceIn(0..255)
-                        }
-                    }
-                }
-            }
+//            demo("dynamicBox", "Dancing boxes") {
+//                val boxes = (-10..10).flatMap { i ->
+//                    (-10..10).map { j ->
+//                        varBox(10, 10, 0, name = "cell_${i}_${j}") {
+//                            x = i * 10
+//                            y = j * 10
+//                            value = 128
+//                            setProperty(EDGES_ENABLED_KEY, false)
+//                            setProperty(WIREFRAME_ENABLED_KEY, false)
+//                        }
+//                    }
+//                }
+//                GlobalScope.launch {
+//                    while (isActive) {
+//                        delay(500)
+//                        boxes.forEach { box ->
+//                            box.value = (box.value + Random.nextInt(-15, 15)).coerceIn(0..255)
+//                        }
+//                    }
+//                }
+//            }
         }
 
 
diff --git a/demo/spatial-showcase/src/jsMain/kotlin/hep/dataforge/vis/spatial/demo/ThreeDemoGrid.kt b/demo/spatial-showcase/src/jsMain/kotlin/hep/dataforge/vis/spatial/demo/ThreeDemoGrid.kt
index b236c602..44a71b5a 100644
--- a/demo/spatial-showcase/src/jsMain/kotlin/hep/dataforge/vis/spatial/demo/ThreeDemoGrid.kt
+++ b/demo/spatial-showcase/src/jsMain/kotlin/hep/dataforge/vis/spatial/demo/ThreeDemoGrid.kt
@@ -3,11 +3,15 @@ package hep.dataforge.vis.spatial.demo
 import hep.dataforge.context.Global
 import hep.dataforge.meta.Meta
 import hep.dataforge.meta.get
+import hep.dataforge.meta.invoke
 import hep.dataforge.meta.string
 import hep.dataforge.names.Name
 import hep.dataforge.output.OutputManager
 import hep.dataforge.output.Renderer
 import hep.dataforge.vis.common.VisualObject
+import hep.dataforge.vis.spatial.specifications.AxesSpec
+import hep.dataforge.vis.spatial.specifications.CameraSpec
+import hep.dataforge.vis.spatial.specifications.CanvasSpec
 import hep.dataforge.vis.spatial.three.ThreeCanvas
 import hep.dataforge.vis.spatial.three.ThreePlugin
 import hep.dataforge.vis.spatial.three.output
@@ -40,18 +44,14 @@ class ThreeDemoGrid(element: Element, meta: Meta = Meta.EMPTY) : OutputManager {
 
         return outputs.getOrPut(name) {
             if (type != VisualObject::class) error("Supports only DisplayObject")
-            val output = three.output(meta = meta) {
-                "minSize" put 500
-                "axis" put {
-                    "size" put 500
-                }
-            }
+            lateinit var output: ThreeCanvas
             //TODO calculate cell width here using jquery
             gridRoot.append {
                 span("border") {
                     div("col-6") {
                         div { id = "output-$name" }.also {
-                            output.attach(it)
+                            output = three.output(it, canvasOptions)
+                            //output.attach(it)
                         }
                         hr()
                         h2 { +(meta["title"].string ?: name.toString()) }
diff --git a/demo/spatial-showcase/src/jsMain/web/index.html b/demo/spatial-showcase/src/jsMain/web/index.html
index bea2b47f..e76b2dd4 100644
--- a/demo/spatial-showcase/src/jsMain/web/index.html
+++ b/demo/spatial-showcase/src/jsMain/web/index.html
@@ -4,32 +4,14 @@
     <meta charset="utf-8">
     <meta name="viewport" content="width=device-width, initial-scale=1, shrink-to-fit=no">
     <title>Three js demo for particle physics</title>
-    <link rel="stylesheet" href="https://stackpath.bootstrapcdn.com/bootstrap/4.3.1/css/bootstrap.min.css"
-          integrity="sha384-ggOyR0iXCbMQv3Xipma34MD+dH/1fQ784/j6cY/iJTQUOhcWr7x9JvoRxT2MZw1T" crossorigin="anonymous">
-    <script type="text/javascript" src="ru.mipt.npm.muon.monitor.main.bundle.js"></script>
+    <link rel="stylesheet" href="https://stackpath.bootstrapcdn.com/bootstrap/4.4.1/css/bootstrap.min.css"
+          integrity="sha384-Vkoo8x4CGsO3+Hhxv8T/Q5PaXtkKtu6ug5TOeNV6gBiFeWPGFN9MuhOf23Q9Ifjh" crossorigin="anonymous">
+    <script type="text/javascript" src="main.bundle.js"></script>
 </head>
 <body class="testApp">
-<!--
-<div class="container" id="drop_zone" data-toggle="tooltip" data-placement="right"
-     title="Для загрузки данных в текстовом формате, надо перетащить файл сюда">
-    Загрузить данные
-    <br/>
-    (перетащить файл сюда)
-</div>
--->
 <div class="container">
     <h1>Demo grid</h1>
 </div>
 <div class="container" id="canvas"></div>
-
-<script src="https://code.jquery.com/jquery-3.3.1.slim.min.js"
-        integrity="sha384-q8i/X+965DzO0rT7abK41JStQIAqVgRVzpbzo5smXKp4YfRvH+8abtTE1Pi6jizo"
-        crossorigin="anonymous"></script>
-<script src="https://cdnjs.cloudflare.com/ajax/libs/popper.js/1.14.7/umd/popper.min.js"
-        integrity="sha384-UO2eT0CpHqdSJQ6hJty5KVphtPhzWj9WO1clHTMGa3JDZwrnQq4sF86dIHNDz0W1"
-        crossorigin="anonymous"></script>
-<script src="https://stackpath.bootstrapcdn.com/bootstrap/4.3.1/js/bootstrap.min.js"
-        integrity="sha384-JjSmVgyd0p3pXB1rRibZUAYoIIy6OrQ6VrjIEaFf/nJGzIxFDsf4x0xIM+B07jRM"
-        crossorigin="anonymous"></script>
 </body>
 </html>
\ No newline at end of file
diff --git a/demo/spatial-showcase/src/jvmMain/kotlin/hep/dataforge/vis/spatial/demo/FXDemoApp.kt b/demo/spatial-showcase/src/jvmMain/kotlin/hep/dataforge/vis/spatial/demo/FXDemoApp.kt
index 3fbaff04..109ed1da 100644
--- a/demo/spatial-showcase/src/jvmMain/kotlin/hep/dataforge/vis/spatial/demo/FXDemoApp.kt
+++ b/demo/spatial-showcase/src/jvmMain/kotlin/hep/dataforge/vis/spatial/demo/FXDemoApp.kt
@@ -1,7 +1,5 @@
 package hep.dataforge.vis.spatial.demo
 
-import hep.dataforge.vis.spatial.Material3D
-import hep.dataforge.vis.spatial.gdml.LUnit
 import hep.dataforge.vis.spatial.gdml.gdml
 import javafx.stage.Stage
 import tornadofx.*
@@ -14,22 +12,12 @@ class FXDemoApp : App(FXDemoGrid::class) {
     override fun start(stage: Stage) {
         super.start(stage)
 
-        stage.width = 400.0
-        stage.height = 400.0
+        stage.width = 600.0
+        stage.height = 600.0
 
-        //view.showcase()
-        view.demo("gdml", "gdml") {
-            gdml(Paths.get("D:\\Work\\Projects\\gdml.kt\\gdml-source\\cubes.gdml")) {
-                lUnit = LUnit.CM
-
-                solidConfiguration = { parent, solid ->
-                    if (parent.physVolumes.isNotEmpty()) {
-                        useStyle("opaque") {
-                            Material3D.MATERIAL_OPACITY_KEY put 0.3
-                        }
-                    }
-                }
-            }
+        view.showcase()
+        view.demo("gdml", "gdml-cubes") {
+            gdml(Paths.get("D:\\Work\\Projects\\gdml.kt\\gdml-source\\cubes.gdml"))
             //setProperty(Material3D.MATERIAL_WIREFRAME_KEY, true)
         }
     }
diff --git a/demo/spatial-showcase/src/jvmMain/kotlin/hep/dataforge/vis/spatial/demo/FXDemoGrid.kt b/demo/spatial-showcase/src/jvmMain/kotlin/hep/dataforge/vis/spatial/demo/FXDemoGrid.kt
index 800180e7..9357e5de 100644
--- a/demo/spatial-showcase/src/jvmMain/kotlin/hep/dataforge/vis/spatial/demo/FXDemoGrid.kt
+++ b/demo/spatial-showcase/src/jvmMain/kotlin/hep/dataforge/vis/spatial/demo/FXDemoGrid.kt
@@ -9,13 +9,15 @@ import hep.dataforge.output.Renderer
 import hep.dataforge.vis.common.VisualObject
 import hep.dataforge.vis.spatial.fx.FX3DPlugin
 import hep.dataforge.vis.spatial.fx.FXCanvas3D
+import hep.dataforge.vis.spatial.specifications.AxesSpec
+import hep.dataforge.vis.spatial.specifications.CanvasSpec
 import javafx.collections.FXCollections
 import javafx.scene.Parent
 import javafx.scene.control.Tab
 import tornadofx.*
 import kotlin.reflect.KClass
 
-class FXDemoGrid : View(), OutputManager {
+class FXDemoGrid : View(title = "DataForge-vis FX demo"), OutputManager {
     private val outputs = FXCollections.observableHashMap<Name, FXCanvas3D>()
 
     override val root: Parent = borderpane {
@@ -32,13 +34,7 @@ class FXDemoGrid : View(), OutputManager {
     override fun <T : Any> get(type: KClass<out T>, name: Name, stage: Name, meta: Meta): Renderer<T> {
         return outputs.getOrPut(name) {
             if (type != VisualObject::class) kotlin.error("Supports only DisplayObject")
-            val customMeta = buildMeta(meta) {
-                "minSize" put 500
-                "axis" put {
-                    "size" put 500
-                }
-            }
-            val output = FXCanvas3D(fx3d, customMeta)
+            val output = FXCanvas3D(fx3d, canvasOptions)
 
             output
         } as Renderer<T>