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 f92a27af..70bd2276 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
@@ -16,24 +16,26 @@ private fun VisualObject3D.withPosition(
     scale: GDMLScale? = null
 ): VisualObject3D = apply {
     pos?.let {
-        this@withPosition.position.x = pos.x(lUnit)
-        this@withPosition.position.y = pos.y(lUnit)
-        this@withPosition.position.z = pos.z(lUnit)
+        this@withPosition.x = pos.x(lUnit)
+        this@withPosition.y = pos.y(lUnit)
+        this@withPosition.z = pos.z(lUnit)
     }
     rotation?.let {
-        this@withPosition.rotation.x = rotation.x()
-        this@withPosition.rotation.y = rotation.y()
-        this@withPosition.rotation.z = rotation.z()
+        this@withPosition.rotationX = rotation.x()
+        this@withPosition.rotationY = rotation.y()
+        this@withPosition.rotationZ = rotation.z()
     }
     scale?.let {
-        this@withPosition.scale.x = scale.x.toFloat()
-        this@withPosition.scale.y = scale.y.toFloat()
-        this@withPosition.scale.z = scale.z.toFloat()
+        this@withPosition.scaleX = scale.x.toFloat()
+        this@withPosition.scaleY = scale.y.toFloat()
+        this@withPosition.scaleZ = scale.z.toFloat()
     }
     //TODO convert units if needed
 }
 
+@Suppress("NOTHING_TO_INLINE")
 private inline operator fun Number.times(d: Double) = toDouble() * d
+@Suppress("NOTHING_TO_INLINE")
 private inline operator fun Number.times(f: Float) = toFloat() * f
 
 private fun VisualGroup3D.addSolid(
@@ -77,9 +79,9 @@ private fun VisualGroup3D.addSolid(
 
             addSolid(context, innerSolid) {
                 block()
-                scale.x *= solid.scale.x.toFloat()
-                scale.y *= solid.scale.y.toFloat()
-                scale.z = solid.scale.z.toFloat()
+                scaleX *= solid.scale.x.toFloat()
+                scaleY *= solid.scale.y.toFloat()
+                scaleZ = solid.scale.z.toFloat()
             }
         }
         is GDMLSphere -> sphere(solid.rmax * lScale, solid.deltaphi * aScale, solid.deltatheta * aScale, name) {
diff --git a/dataforge-vis-spatial/src/commonMain/kotlin/hep/dataforge/vis/spatial/Extruded.kt b/dataforge-vis-spatial/src/commonMain/kotlin/hep/dataforge/vis/spatial/Extruded.kt
index b2a5e36d..0c6d887f 100644
--- a/dataforge-vis-spatial/src/commonMain/kotlin/hep/dataforge/vis/spatial/Extruded.kt
+++ b/dataforge-vis-spatial/src/commonMain/kotlin/hep/dataforge/vis/spatial/Extruded.kt
@@ -27,7 +27,7 @@ fun Shape2DBuilder.polygon(vertices: Int, radius: Number) {
     }
 }
 
-data class Layer(var x: Number, var y: Number, var z: Number, var scale: Number)
+data class Layer(var x: Float, var y: Float, var z: Float, var scale: Float)
 
 class Extruded : VisualLeaf3D(), Shape {
 
@@ -41,7 +41,7 @@ class Extruded : VisualLeaf3D(), Shape {
     val layers: MutableList<Layer> = ArrayList()
 
     fun layer(z: Number, x: Number = 0.0, y: Number = 0.0, scale: Number = 1.0) {
-        layers.add(Layer(x, y, z, scale))
+        layers.add(Layer(x.toFloat(), y.toFloat(), z.toFloat(), scale.toFloat()))
         //TODO send invalidation signal
     }
 
@@ -55,8 +55,8 @@ class Extruded : VisualLeaf3D(), Shape {
          */
         val layers: List<List<Point3D>> = layers.map { layer ->
             shape.map { (x, y) ->
-                val newX = layer.x.toDouble() + x.toDouble() * layer.scale.toDouble()
-                val newY = layer.y.toDouble() + y.toDouble() * layer.scale.toDouble()
+                val newX = layer.x + x * layer.scale
+                val newY = layer.y + y * layer.scale
                 Point3D(newX, newY, layer.z)
             }
         }
diff --git a/dataforge-vis-spatial/src/commonMain/kotlin/hep/dataforge/vis/spatial/GeometryBuilder.kt b/dataforge-vis-spatial/src/commonMain/kotlin/hep/dataforge/vis/spatial/GeometryBuilder.kt
index a3c239a5..07ea1612 100644
--- a/dataforge-vis-spatial/src/commonMain/kotlin/hep/dataforge/vis/spatial/GeometryBuilder.kt
+++ b/dataforge-vis-spatial/src/commonMain/kotlin/hep/dataforge/vis/spatial/GeometryBuilder.kt
@@ -1,35 +1,7 @@
 package hep.dataforge.vis.spatial
 
-import hep.dataforge.meta.*
-
-data class Point2D(val x: Number, val y: Number) : MetaRepr {
-    override fun toMeta(): Meta = buildMeta {
-        "x" to x
-        "y" to y
-    }
-
-    companion object {
-        fun from(meta: Meta): Point2D {
-            return Point2D(meta["x"].number ?: 0, meta["y"].number ?: 0)
-        }
-    }
-}
-
-data class Point3D(val x: Number, val y: Number, val z: Number) : MetaRepr {
-    override fun toMeta(): Meta = buildMeta {
-        "x" to x
-        "y" to y
-        "z" to z
-    }
-
-    companion object {
-        fun from(meta: Meta): Point3D {
-            return Point3D(meta["x"].number ?: 0, meta["y"].number ?: 0, meta["y"].number ?: 0)
-        }
-
-        val zero = Point3D(0, 0, 0)
-    }
-}
+import hep.dataforge.meta.EmptyMeta
+import hep.dataforge.meta.Meta
 
 /**
  * @param T the type of resulting geometry
@@ -66,9 +38,9 @@ interface Shape : VisualObject3D {
 fun <T : Any> GeometryBuilder<T>.cap(shape: List<Point3D>, normal: Point3D? = null) {
     //FIXME won't work for non-convex shapes
     val center = Point3D(
-        shape.map { it.x.toDouble() }.average(),
-        shape.map { it.y.toDouble() }.average(),
-        shape.map { it.z.toDouble() }.average()
+        shape.map { it.x }.average(),
+        shape.map { it.y }.average(),
+        shape.map { it.z }.average()
     )
     for (i in 0 until (shape.size - 1)) {
         face(shape[i], shape[i + 1], center, normal)
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 fe48af2e..fb4bf8e5 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
@@ -9,21 +9,18 @@ import hep.dataforge.vis.common.AbstractVisualObject
  * A proxy [VisualObject3D] to reuse a template object
  */
 class Proxy(val templateName: Name) : AbstractVisualObject(), VisualObject3D {
-    override var position: Value3 = Value3()
-    override var rotation: Value3 = Value3()
-    override var scale: Value3 = Value3(1f, 1f, 1f)
-
-    val template by lazy { getTemplate() }
+    override var position: Point3D? = null
+    override var rotation: Point3D? = null
+    override var scale: Point3D? = null
 
     /**
      * Recursively search for defined template in the parent
      */
-    private fun getTemplate(): VisualObject3D {
-        return (parent as? VisualGroup3D)?.getTemplate(templateName)
+    val template by lazy {
+        (parent as? VisualGroup3D)?.getTemplate(templateName)
             ?: error("Template with name $templateName not found in $parent")
     }
 
-
     override fun getProperty(name: Name, inherit: Boolean): MetaItem<*>? {
         return if (inherit) {
             super.getProperty(name, false) ?: template.getProperty(name, false) ?: parent?.getProperty(name, inherit)
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 67eb9adc..77177070 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
@@ -27,7 +27,7 @@ class Visual3DPlugin(meta: Meta) : AbstractPlugin(meta) {
 }
 
 internal fun VisualObject3D.update(meta: Meta) {
-    fun Meta.toVector(default: Float = 0f) = Value3(
+    fun Meta.toVector(default: Float = 0f) = Point3D(
         this[VisualObject3D.x].float ?: default,
         this[VisualObject3D.y].float ?: default,
         this[VisualObject3D.z].float ?: default
diff --git a/dataforge-vis-spatial/src/commonMain/kotlin/hep/dataforge/vis/spatial/VisualObject3D.kt b/dataforge-vis-spatial/src/commonMain/kotlin/hep/dataforge/vis/spatial/VisualObject3D.kt
index ec9655b3..65d3e47c 100644
--- a/dataforge-vis-spatial/src/commonMain/kotlin/hep/dataforge/vis/spatial/VisualObject3D.kt
+++ b/dataforge-vis-spatial/src/commonMain/kotlin/hep/dataforge/vis/spatial/VisualObject3D.kt
@@ -12,23 +12,21 @@ import hep.dataforge.vis.spatial.VisualObject3D.Companion.DETAIL_KEY
 import hep.dataforge.vis.spatial.VisualObject3D.Companion.MATERIAL_KEY
 import hep.dataforge.vis.spatial.VisualObject3D.Companion.VISIBLE_KEY
 
-data class Value3(var x: Float = 0f, var y: Float = 0f, var z: Float = 0f)
-
 interface VisualObject3D : VisualObject {
-    var position: Value3
-    var rotation: Value3
-    var scale: Value3
+    var position: Point3D?
+    var rotation: Point3D?
+    var scale: Point3D?
 
     fun MetaBuilder.updatePosition() {
-        xPos to position.x
-        yPos to position.y
-        zPos to position.z
-        xRotation to rotation.x
-        yRotation to rotation.y
-        zRotation to rotation.z
-        xScale to scale.x
-        yScale to scale.y
-        zScale to scale.z
+        xPos to position?.x
+        yPos to position?.y
+        zPos to position?.z
+        xRotation to rotation?.x
+        yRotation to rotation?.y
+        zRotation to rotation?.z
+        xScale to scale?.x
+        yScale to scale?.y
+        zScale to scale?.z
     }
 
     companion object {
@@ -63,16 +61,16 @@ interface VisualObject3D : VisualObject {
 }
 
 abstract class VisualLeaf3D : AbstractVisualObject(), VisualObject3D, Configurable {
-    override var position: Value3 = Value3()
-    override var rotation: Value3 = Value3()
-    override var scale: Value3 = Value3(1f, 1f, 1f)
+    override var position: Point3D? = null
+    override var rotation: Point3D? = null
+    override var scale: Point3D? = null
 }
 
 class VisualGroup3D : VisualGroup<VisualObject3D>(), VisualObject3D, Configurable {
 
-    override var position: Value3 = Value3()
-    override var rotation: Value3 = Value3()
-    override var scale: Value3 = Value3(1f, 1f, 1f)
+    override var position: Point3D? = null
+    override var rotation: Point3D? = null
+    override var scale: Point3D? = null
 
     /**
      * A container for templates visible inside this group
@@ -145,66 +143,75 @@ fun VisualObject3D.color(r: Int, g: Int, b: Int) = material {
     "blue" to b
 }
 
+private fun VisualObject3D.position(): Point3D =
+    position ?: Point3D(0.0, 0.0, 0.0).also { position = it }
+
 var VisualObject3D.x: Number
-    get() = position.x
+    get() = position?.x ?: 0f
     set(value) {
-        position.x = value.toFloat()
+        position().x = value.toDouble()
         propertyChanged(VisualObject3D.xPos)
     }
 
 var VisualObject3D.y: Number
-    get() = position.y
+    get() = position?.y ?: 0f
     set(value) {
-        position.y = value.toFloat()
+        position().y = value.toDouble()
         propertyChanged(VisualObject3D.yPos)
     }
 
 var VisualObject3D.z: Number
-    get() = position.z
+    get() = position?.z ?: 0f
     set(value) {
-        position.z = value.toFloat()
+        position().z = value.toDouble()
         propertyChanged(VisualObject3D.zPos)
     }
 
+private fun VisualObject3D.rotation(): Point3D =
+    rotation ?: Point3D(0.0, 0.0, 0.0).also { rotation = it }
+
 var VisualObject3D.rotationX: Number
-    get() = rotation.x
+    get() = rotation?.x ?: 0f
     set(value) {
-        rotation.x = value.toFloat()
+        rotation().x = value.toDouble()
         propertyChanged(VisualObject3D.xRotation)
     }
 
 var VisualObject3D.rotationY: Number
-    get() = rotation.y
+    get() = rotation?.y ?: 0f
     set(value) {
-        rotation.y = value.toFloat()
+        rotation().y = value.toDouble()
         propertyChanged(VisualObject3D.xRotation)
     }
 
 var VisualObject3D.rotationZ: Number
-    get() = rotation.z
+    get() = rotation?.z ?: 0f
     set(value) {
-        rotation.z = value.toFloat()
+        rotation().z = value.toDouble()
         propertyChanged(VisualObject3D.zRotation)
     }
 
+private fun VisualObject3D.scale(): Point3D =
+    scale ?: Point3D(1.0, 1.0, 1.0).also { scale = it }
+
 var VisualObject3D.scaleX: Number
-    get() = scale.x
+    get() = scale?.x ?: 1f
     set(value) {
-        scale.x = value.toFloat()
+        scale().x = value.toDouble()
         propertyChanged(VisualObject3D.xScale)
     }
 
 var VisualObject3D.scaleY: Number
-    get() = scale.y
+    get() = scale?.y ?: 1f
     set(value) {
-        scale.y = value.toFloat()
+        scale().y = value.toDouble()
         propertyChanged(VisualObject3D.yScale)
     }
 
 var VisualObject3D.scaleZ: Number
-    get() = scale.z
+    get() = scale?.z ?: 1f
     set(value) {
-        scale.z = value.toFloat()
+        scale().z = value.toDouble()
         propertyChanged(VisualObject3D.zScale)
     }
 
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
new file mode 100644
index 00000000..20b537b2
--- /dev/null
+++ b/dataforge-vis-spatial/src/commonMain/kotlin/hep/dataforge/vis/spatial/geometry.kt
@@ -0,0 +1,41 @@
+package hep.dataforge.vis.spatial
+
+import hep.dataforge.meta.Meta
+import hep.dataforge.meta.buildMeta
+import hep.dataforge.meta.get
+import hep.dataforge.meta.number
+
+expect class Point2D(x: Number, y: Number) {
+    var x: Double
+    var y: Double
+}
+
+operator fun Point2D.component1() = x
+operator fun Point2D.component2() = y
+
+fun Point2D.toMeta() = buildMeta {
+    VisualObject3D.x to x
+    VisualObject3D.y to y
+}
+
+fun Meta.point2D() = Point2D(this["x"].number ?: 0, this["y"].number ?: 0)
+
+expect class Point3D(x: Number, y: Number, z: Number) {
+    var x: Double
+    var y: Double
+    var z: Double
+}
+
+operator fun Point3D.component1() = x
+operator fun Point3D.component2() = y
+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 to x
+    VisualObject3D.y to y
+    VisualObject3D.z to z
+}
\ No newline at end of file
diff --git a/dataforge-vis-spatial/src/jsMain/kotlin/hep/dataforge/vis/spatial/geometryJs.kt b/dataforge-vis-spatial/src/jsMain/kotlin/hep/dataforge/vis/spatial/geometryJs.kt
new file mode 100644
index 00000000..cacb3600
--- /dev/null
+++ b/dataforge-vis-spatial/src/jsMain/kotlin/hep/dataforge/vis/spatial/geometryJs.kt
@@ -0,0 +1,8 @@
+package hep.dataforge.vis.spatial
+
+import info.laht.threekt.math.Vector2
+import info.laht.threekt.math.Vector3
+
+actual typealias Point2D = Vector2
+
+actual typealias Point3D = Vector3
\ No newline at end of file
diff --git a/dataforge-vis-spatial/src/jsMain/kotlin/hep/dataforge/vis/spatial/three/ThreeConvexFactory.kt b/dataforge-vis-spatial/src/jsMain/kotlin/hep/dataforge/vis/spatial/three/ThreeConvexFactory.kt
index 7546c86f..728e19fb 100644
--- a/dataforge-vis-spatial/src/jsMain/kotlin/hep/dataforge/vis/spatial/three/ThreeConvexFactory.kt
+++ b/dataforge-vis-spatial/src/jsMain/kotlin/hep/dataforge/vis/spatial/three/ThreeConvexFactory.kt
@@ -2,10 +2,11 @@ package hep.dataforge.vis.spatial.three
 
 import hep.dataforge.vis.spatial.Convex
 import info.laht.threekt.external.geometries.ConvexBufferGeometry
+import info.laht.threekt.math.Vector3
 
 object ThreeConvexFactory : MeshThreeFactory<Convex>(Convex::class) {
     override fun buildGeometry(obj: Convex): ConvexBufferGeometry {
-        val vectors = obj.points.map { it.asVector() }.toTypedArray()
+        @Suppress("USELESS_CAST") val vectors = obj.points.toTypedArray() as Array<Vector3>
         return ConvexBufferGeometry(vectors)
     }
 }
\ No newline at end of file
diff --git a/dataforge-vis-spatial/src/jsMain/kotlin/hep/dataforge/vis/spatial/three/ThreeFactory.kt b/dataforge-vis-spatial/src/jsMain/kotlin/hep/dataforge/vis/spatial/three/ThreeFactory.kt
index 086bf269..1b93b1bc 100644
--- a/dataforge-vis-spatial/src/jsMain/kotlin/hep/dataforge/vis/spatial/three/ThreeFactory.kt
+++ b/dataforge-vis-spatial/src/jsMain/kotlin/hep/dataforge/vis/spatial/three/ThreeFactory.kt
@@ -71,6 +71,7 @@ internal fun <T : VisualObject3D> Mesh.updateFrom(obj: T) {
  */
 operator fun <T : VisualObject3D> ThreeFactory<T>.invoke(obj: Any): Object3D {
     if (type.isInstance(obj)) {
+        @Suppress("UNCHECKED_CAST")
         return invoke(obj as T)
     } else {
         error("The object of type ${obj::class} could not be rendered by this factory")
diff --git a/dataforge-vis-spatial/src/jsMain/kotlin/hep/dataforge/vis/spatial/three/ThreeGeometryBuilder.kt b/dataforge-vis-spatial/src/jsMain/kotlin/hep/dataforge/vis/spatial/three/ThreeGeometryBuilder.kt
index e4030fa6..a7a6b606 100644
--- a/dataforge-vis-spatial/src/jsMain/kotlin/hep/dataforge/vis/spatial/three/ThreeGeometryBuilder.kt
+++ b/dataforge-vis-spatial/src/jsMain/kotlin/hep/dataforge/vis/spatial/three/ThreeGeometryBuilder.kt
@@ -4,19 +4,12 @@ import hep.dataforge.meta.Meta
 import hep.dataforge.meta.get
 import hep.dataforge.meta.int
 import hep.dataforge.vis.spatial.GeometryBuilder
-import hep.dataforge.vis.spatial.Point2D
 import hep.dataforge.vis.spatial.Point3D
 import info.laht.threekt.core.BufferGeometry
 import info.laht.threekt.core.Face3
 import info.laht.threekt.core.Geometry
-import info.laht.threekt.math.Vector2
 import info.laht.threekt.math.Vector3
 
-// TODO use unsafe cast instead
-fun Point3D.asVector(): Vector3 = Vector3(this.x, this.y, this.z)
-
-fun Point2D.asVector(): Vector2 = Vector2(this.x, this.y)
-
 class ThreeGeometryBuilder : GeometryBuilder<BufferGeometry> {
 
     private val vertices = ArrayList<Point3D>()
@@ -36,7 +29,7 @@ class ThreeGeometryBuilder : GeometryBuilder<BufferGeometry> {
     }
 
     override fun face(vertex1: Point3D, vertex2: Point3D, vertex3: Point3D, normal: Point3D?, meta: Meta) {
-        val face = Face3(append(vertex1), append(vertex2), append(vertex3), normal?.asVector() ?: Vector3(0, 0, 0))
+        val face = Face3(append(vertex1), append(vertex2), append(vertex3), normal ?: Vector3(0, 0, 0))
         meta["materialIndex"].int?.let { face.materialIndex = it }
         meta["color"]?.color()?.let { face.color = it }
         faces.add(face)
@@ -45,7 +38,7 @@ class ThreeGeometryBuilder : GeometryBuilder<BufferGeometry> {
 
     override fun build(): BufferGeometry {
         return Geometry().apply {
-            vertices = this@ThreeGeometryBuilder.vertices.map { it.asVector() }.toTypedArray()
+            vertices = this@ThreeGeometryBuilder.vertices.toTypedArray()
             faces = this@ThreeGeometryBuilder.faces.toTypedArray()
             computeBoundingSphere()
             computeFaceNormals()
diff --git a/dataforge-vis-spatial/src/jvmMain/kotlin/hep/dataforge/vis/spatial/fx/Canvas3D.kt b/dataforge-vis-spatial/src/jvmMain/kotlin/hep/dataforge/vis/spatial/fx/Canvas3D.kt
index cfbc3375..211c0d41 100644
--- a/dataforge-vis-spatial/src/jvmMain/kotlin/hep/dataforge/vis/spatial/fx/Canvas3D.kt
+++ b/dataforge-vis-spatial/src/jvmMain/kotlin/hep/dataforge/vis/spatial/fx/Canvas3D.kt
@@ -1,6 +1,5 @@
 package hep.dataforge.vis.spatial.fx
 
-import com.sun.tools.javac.util.JCDiagnostic
 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
diff --git a/dataforge-vis-spatial/src/jvmMain/kotlin/hep/dataforge/vis/spatial/fx/FX3DOutput.kt b/dataforge-vis-spatial/src/jvmMain/kotlin/hep/dataforge/vis/spatial/fx/FX3DOutput.kt
index 9e1ab369..b910b17e 100644
--- a/dataforge-vis-spatial/src/jvmMain/kotlin/hep/dataforge/vis/spatial/fx/FX3DOutput.kt
+++ b/dataforge-vis-spatial/src/jvmMain/kotlin/hep/dataforge/vis/spatial/fx/FX3DOutput.kt
@@ -3,9 +3,9 @@ package hep.dataforge.vis.spatial.fx
 import hep.dataforge.context.Context
 import hep.dataforge.meta.Meta
 import hep.dataforge.output.Output
-import hep.dataforge.vis.common.VisualNode
 import hep.dataforge.vis.common.VisualObject
 import hep.dataforge.vis.spatial.Box
+import hep.dataforge.vis.spatial.VisualGroup3D
 import javafx.scene.Group
 import javafx.scene.Node
 import org.fxyz3d.shapes.primitives.CuboidMesh
@@ -28,12 +28,12 @@ class FX3DOutput(override val context: Context) : Output<VisualObject> {
             org.fxyz3d.geometry.Point3D(x.value ?: 0f, y.value ?: 0f, z.value ?: 0f)
         }
         return when (obj) {
-            is VisualNode -> Group(obj.map { buildNode(it) }).apply {
+            is VisualGroup3D -> Group(obj.map { buildNode(it) }).apply {
                 this.translateXProperty().bind(x)
                 this.translateYProperty().bind(y)
                 this.translateZProperty().bind(z)
             }
-            is Box -> CuboidMesh(obj.xSize, obj.ySize, obj.zSize).apply {
+            is Box -> CuboidMesh(obj.xSize.toDouble(), obj.ySize.toDouble(), obj.zSize.toDouble()).apply {
                 this.centerProperty().bind(center)
                 this.materialProperty().bind(listener["color"].transform { it.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
new file mode 100644
index 00000000..3e56de87
--- /dev/null
+++ b/dataforge-vis-spatial/src/jvmMain/kotlin/hep/dataforge/vis/spatial/geometryJVM.kt
@@ -0,0 +1,12 @@
+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 class Point3D actual constructor(x: Number, y: Number, z: Number) {
+    actual var x = x.toDouble()
+    actual var y = y.toDouble()
+    actual var z = z.toDouble()
+}
\ No newline at end of file