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 d59d1a3f..bb60b8b6 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
@@ -17,7 +17,7 @@ import kotlin.random.Random
 
 class GDMLTransformer(val root: GDML) {
     private val materialCache = HashMap<GDMLMaterial, Meta>()
-    private val random = Random(111)
+    private val random = Random(222)
 
     enum class Action {
         ACCEPT,
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 9134989b..6c9f9baf 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
@@ -5,6 +5,8 @@ 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 scientifik.gdml.*
 import kotlin.math.cos
 import kotlin.math.sin
@@ -12,25 +14,28 @@ import kotlin.math.sin
 
 private fun VisualObject3D.withPosition(
     lUnit: LUnit,
-    pos: GDMLPosition? = null,
-    rotation: GDMLRotation? = null,
-    scale: GDMLScale? = null
+    newPos: GDMLPosition? = null,
+    newRotation: GDMLRotation? = null,
+    newScale: GDMLScale? = null
 ): VisualObject3D = apply {
-    pos?.let {
-        this@withPosition.x = pos.x(lUnit)
-        this@withPosition.y = pos.y(lUnit)
-        this@withPosition.z = pos.z(lUnit)
+    newPos?.let {
+        val point = Point3D(it.x(lUnit), it.y(lUnit), it.z(lUnit))
+        if (position != null || point != zero) {
+            position = point
+        }
     }
-    rotation?.let {
-        this@withPosition.rotationX = rotation.x()
-        this@withPosition.rotationY = rotation.y()
-        this@withPosition.rotationZ = rotation.z()
+    newRotation?.let {
+        val point = Point3D(it.x(), it.y(), it.z())
+        if (rotation != null || point != zero) {
+            rotation = point
+        }
         //this@withPosition.rotationOrder = RotationOrder.ZXY
     }
-    scale?.let {
-        this@withPosition.scaleX = scale.x.toFloat()
-        this@withPosition.scaleY = scale.y.toFloat()
-        this@withPosition.scaleZ = scale.z.toFloat()
+    newScale?.let {
+        val point = Point3D(it.x, it.y, it.z)
+        if (scale != null || point != one) {
+            scale = point
+        }
     }
     //TODO convert units if needed
 }
@@ -251,6 +256,6 @@ fun GDML.toVisual(block: GDMLTransformer.() -> Unit = {}): VisualGroup3D {
  */
 fun VisualGroup3D.gdml(gdml: GDML, key: String = "", transformer: GDMLTransformer.() -> Unit = {}) {
     val visual = gdml.toVisual(transformer)
-    println(Visual3DPlugin.json.stringify(VisualGroup3D.serializer(),visual))
+    println(Visual3DPlugin.json.stringify(VisualGroup3D.serializer(), visual))
     set(key, visual)
 }
\ No newline at end of file
diff --git a/dataforge-vis-spatial/src/commonMain/kotlin/hep/dataforge/vis/spatial/Box.kt b/dataforge-vis-spatial/src/commonMain/kotlin/hep/dataforge/vis/spatial/Box.kt
index 550430f3..fd6358a2 100644
--- a/dataforge-vis-spatial/src/commonMain/kotlin/hep/dataforge/vis/spatial/Box.kt
+++ b/dataforge-vis-spatial/src/commonMain/kotlin/hep/dataforge/vis/spatial/Box.kt
@@ -10,11 +10,13 @@ import hep.dataforge.meta.get
 import hep.dataforge.vis.common.AbstractVisualObject
 import hep.dataforge.vis.common.VisualFactory
 import hep.dataforge.vis.common.VisualObject
+import kotlinx.serialization.SerialName
 import kotlinx.serialization.Serializable
 import kotlinx.serialization.UseSerializers
 import kotlin.reflect.KClass
 
 @Serializable
+@SerialName("3d.box")
 class Box(
     val xSize: Float,
     val ySize: Float,
diff --git a/dataforge-vis-spatial/src/commonMain/kotlin/hep/dataforge/vis/spatial/Proxy.kt b/dataforge-vis-spatial/src/commonMain/kotlin/hep/dataforge/vis/spatial/Proxy.kt
index 95da3d1a..c74e2236 100644
--- a/dataforge-vis-spatial/src/commonMain/kotlin/hep/dataforge/vis/spatial/Proxy.kt
+++ b/dataforge-vis-spatial/src/commonMain/kotlin/hep/dataforge/vis/spatial/Proxy.kt
@@ -12,6 +12,7 @@ import hep.dataforge.names.NameToken
 import hep.dataforge.names.asName
 import hep.dataforge.names.plus
 import hep.dataforge.vis.common.*
+import kotlinx.serialization.SerialName
 import kotlinx.serialization.Serializable
 import kotlinx.serialization.Transient
 import kotlinx.serialization.UseSerializers
@@ -23,6 +24,7 @@ import kotlin.collections.set
  * A proxy [VisualObject3D] to reuse a template object
  */
 @Serializable
+@SerialName("3d.proxy")
 class Proxy(val templateName: Name) : AbstractVisualObject(), VisualGroup, VisualObject3D {
 
     override var position: Point3D? = null
@@ -90,6 +92,13 @@ class Proxy(val templateName: Name) : AbstractVisualObject(), VisualGroup, Visua
 
         override val styleSheet: StyleSheet get() = this@Proxy.styleSheet
 
+        override var styles: List<String>
+            get() = super.styles + prototype.styles
+            set(value) {
+                setProperty(VisualObject.STYLE_KEY, value)
+                updateStyles(value)
+            }
+
         override val children: Map<NameToken, VisualObject>
             get() = (prototype as? VisualGroup)?.children?.mapValues { (key, _) ->
                 ProxyChild(
diff --git a/dataforge-vis-spatial/src/commonMain/kotlin/hep/dataforge/vis/spatial/VisualGroup3D.kt b/dataforge-vis-spatial/src/commonMain/kotlin/hep/dataforge/vis/spatial/VisualGroup3D.kt
index 4bacdd79..51e06062 100644
--- a/dataforge-vis-spatial/src/commonMain/kotlin/hep/dataforge/vis/spatial/VisualGroup3D.kt
+++ b/dataforge-vis-spatial/src/commonMain/kotlin/hep/dataforge/vis/spatial/VisualGroup3D.kt
@@ -25,6 +25,7 @@ import kotlinx.serialization.UseSerializers
 import kotlin.collections.set
 
 @Serializable
+@SerialName("group.3d")
 class VisualGroup3D : AbstractVisualGroup(), VisualObject3D {
     /**
      * A container for templates visible inside this group
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 e9fab6ab..cd739046 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
@@ -50,10 +50,13 @@ operator fun Point3D.component3() = z
 
 fun Meta.point3D() = Point3D(this["x"].number ?: 0, this["y"].number ?: 0, this["y"].number ?: 0)
 
-val zero = Point3D(0, 0, 0)
-
 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/jsMain/kotlin/hep/dataforge/vis/spatial/three/three.kt b/dataforge-vis-spatial/src/jsMain/kotlin/hep/dataforge/vis/spatial/three/three.kt
index 34e67764..a203d1f5 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
@@ -5,6 +5,7 @@ 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
diff --git a/dataforge-vis-spatial/src/jvmMain/kotlin/hep/dataforge/vis/spatial/geometryJVM.kt b/dataforge-vis-spatial/src/jvmMain/kotlin/hep/dataforge/vis/spatial/geometryJVM.kt
index affc7f8c..46707c0c 100644
--- a/dataforge-vis-spatial/src/jvmMain/kotlin/hep/dataforge/vis/spatial/geometryJVM.kt
+++ b/dataforge-vis-spatial/src/jvmMain/kotlin/hep/dataforge/vis/spatial/geometryJVM.kt
@@ -1,8 +1,7 @@
 package hep.dataforge.vis.spatial
 
-actual class Point2D actual constructor(x: Number, y: Number) {
-    actual var x = x.toDouble()
-    actual var y = y.toDouble()
+actual data class Point2D(actual var x: Double, actual var y: Double){
+    actual constructor(x: Number, y: Number): this(x.toDouble(),y.toDouble())
 }
 
 actual class Point3D(val point: org.fxyz3d.geometry.Point3D) {
@@ -29,4 +28,16 @@ actual class Point3D(val point: org.fxyz3d.geometry.Point3D) {
         inline set(value) {
             point.z = value.toFloat()
         }
+
+    override fun equals(other: Any?): Boolean {
+        return this.point == (other as? hep.dataforge.vis.spatial.Point3D)?.point
+    }
+
+    override fun hashCode(): Int {
+        return point.hashCode()
+    }
+
+    override fun toString(): String {
+        return point.toString()
+    }
 }
\ No newline at end of file
diff --git a/spatial-demo/src/jvmMain/kotlin/hep/dataforge/vis/spatial/demo/FXDemoApp.kt b/spatial-demo/src/jvmMain/kotlin/hep/dataforge/vis/spatial/demo/FXDemoApp.kt
index 1808c43f..3fbaff04 100644
--- a/spatial-demo/src/jvmMain/kotlin/hep/dataforge/vis/spatial/demo/FXDemoApp.kt
+++ b/spatial-demo/src/jvmMain/kotlin/hep/dataforge/vis/spatial/demo/FXDemoApp.kt
@@ -17,7 +17,7 @@ class FXDemoApp : App(FXDemoGrid::class) {
         stage.width = 400.0
         stage.height = 400.0
 
-        view.showcase()
+        //view.showcase()
         view.demo("gdml", "gdml") {
             gdml(Paths.get("D:\\Work\\Projects\\gdml.kt\\gdml-source\\cubes.gdml")) {
                 lUnit = LUnit.CM