diff --git a/visionforge-gdml/src/commonMain/kotlin/hep/dataforge/vision/gdml/GDMLTransformer.kt b/visionforge-gdml/src/commonMain/kotlin/hep/dataforge/vision/gdml/GDMLTransformer.kt
index df14eb40..94749b45 100644
--- a/visionforge-gdml/src/commonMain/kotlin/hep/dataforge/vision/gdml/GDMLTransformer.kt
+++ b/visionforge-gdml/src/commonMain/kotlin/hep/dataforge/vision/gdml/GDMLTransformer.kt
@@ -24,16 +24,16 @@ class GDMLTransformer(val root: GDML) {
     private val random = Random(222)
 
     enum class Action {
-        ACCEPT,
+        ADD,
         REJECT,
-        CACHE
+        PROTOTYPE
     }
 
     var lUnit: LUnit = LUnit.MM
     var aUnit: AUnit = AUnit.RADIAN
 
-    var solidAction: (GDMLSolid) -> Action = { Action.CACHE }
-    var volumeAction: (GDMLGroup) -> Action = { Action.CACHE }
+    var solidAction: (GDMLSolid) -> Action = { Action.PROTOTYPE }
+    var volumeAction: (GDMLGroup) -> Action = { Action.PROTOTYPE }
 
     /**
      * A special group for local templates
@@ -49,6 +49,15 @@ class GDMLTransformer(val root: GDML) {
     internal val volumes by lazy {
         proto.group(volumesName)
     }
+
+//    fun proxySolid(group: SolidGroup, solid: GDMLSolid, name: String): Proxy {
+//        val fullName = solidsName + name
+//        if (proto[fullName] == null) {
+//            solids.addSolid(this, solid, name)
+//        }
+//        return group.ref(fullName, name)
+//    }
+
     private val styleCache = HashMap<Name, Meta>()
 
     var solidConfiguration: Solid.(parent: GDMLVolume, solid: GDMLSolid) -> Unit = { parent, _ ->
@@ -245,19 +254,17 @@ private fun SolidGroup.addSolid(
     }
 }
 
-
-
-
 private fun SolidGroup.addSolidWithCaching(
     context: GDMLTransformer,
     solid: GDMLSolid,
     name: String = solid.name
 ): Solid? {
     return when (context.solidAction(solid)) {
-        GDMLTransformer.Action.ACCEPT -> {
+        GDMLTransformer.Action.ADD -> {
             addSolid(context, solid, name)
         }
-        GDMLTransformer.Action.CACHE -> {
+        GDMLTransformer.Action.PROTOTYPE -> {
+//            context.proxySolid(this, solid, name)
             val fullName = solidsName + solid.name.asName()
             if (context.proto[fullName] == null) {
                 context.solids.addSolid(context, solid, solid.name)
@@ -271,7 +278,6 @@ private fun SolidGroup.addSolidWithCaching(
     }
 }
 
-
 private fun SolidGroup.addPhysicalVolume(
     context: GDMLTransformer,
     physVolume: GDMLPhysVolume
@@ -291,17 +297,16 @@ private fun SolidGroup.addPhysicalVolume(
     }
 
     when (context.volumeAction(volume)) {
-        GDMLTransformer.Action.ACCEPT -> {
+        GDMLTransformer.Action.ADD -> {
             val group: SolidGroup = volume(context, volume)
             this[physVolume.name ?: ""] = group.withPosition(context, physVolume)
         }
-        GDMLTransformer.Action.CACHE -> {
+        GDMLTransformer.Action.PROTOTYPE -> {
             val fullName = volumesName + volume.name.asName()
             if (context.proto[fullName] == null) {
                 context.proto[fullName] = volume(context, volume)
             }
-
-            ref(fullName,physVolume.name ?: "").withPosition(context, physVolume)
+            ref(fullName, physVolume.name ?: "").withPosition(context, physVolume)
         }
         GDMLTransformer.Action.REJECT -> {
             //ignore
diff --git a/visionforge-solid/src/jsMain/kotlin/hep/dataforge/vision/solid/three/ThreeProxyFactory.kt b/visionforge-solid/src/jsMain/kotlin/hep/dataforge/vision/solid/three/ThreeProxyFactory.kt
index 2ceb75aa..832dd32d 100644
--- a/visionforge-solid/src/jsMain/kotlin/hep/dataforge/vision/solid/three/ThreeProxyFactory.kt
+++ b/visionforge-solid/src/jsMain/kotlin/hep/dataforge/vision/solid/three/ThreeProxyFactory.kt
@@ -17,10 +17,11 @@ class ThreeProxyFactory(val three: ThreePlugin) : ThreeFactory<Proxy> {
     private fun Object3D.replicate(): Object3D {
         return when (this) {
             is Mesh -> Mesh(geometry as BufferGeometry, material).also {
-                it.applyMatrix(matrix)
+                it.applyMatrix4(matrix)
             }
             else -> clone(false)
         }.also { obj: Object3D ->
+            obj.name = this.name
             children.forEach { child: Object3D ->
                 obj.add(child.replicate())
             }
diff --git a/visionforge-solid/src/jsMain/kotlin/info/laht/threekt/core/BufferGeometry.kt b/visionforge-solid/src/jsMain/kotlin/info/laht/threekt/core/BufferGeometry.kt
index a4219aeb..c3fd093b 100644
--- a/visionforge-solid/src/jsMain/kotlin/info/laht/threekt/core/BufferGeometry.kt
+++ b/visionforge-solid/src/jsMain/kotlin/info/laht/threekt/core/BufferGeometry.kt
@@ -99,7 +99,7 @@ open external class BufferGeometry {
     fun merge(bufferGeometry: BufferGeometry, offset: Int = definedExternally): BufferGeometry
 
 
-    fun applyMatrix(matrix: Matrix4)
+    fun applyMatrix4(matrix: Matrix4)
     fun lookAt(vector: Vector3): BufferGeometry
     fun rotateX(radians: Double): BufferGeometry
     fun rotateY(radians: Double): BufferGeometry
diff --git a/visionforge-solid/src/jsMain/kotlin/info/laht/threekt/core/Geometry.kt b/visionforge-solid/src/jsMain/kotlin/info/laht/threekt/core/Geometry.kt
index 518cc6d6..522ab07c 100644
--- a/visionforge-solid/src/jsMain/kotlin/info/laht/threekt/core/Geometry.kt
+++ b/visionforge-solid/src/jsMain/kotlin/info/laht/threekt/core/Geometry.kt
@@ -70,7 +70,7 @@ open external class Geometry {
     var lineDistancesNeedUpdate: Boolean
     var groupsNeedUpdate: Boolean
 
-    fun applyMatrix(matrix: Matrix4): Geometry
+    fun applyMatrix4(matrix: Matrix4): Geometry
     fun rotateX(angle: Number): Geometry
     fun rotateY(angle: Number): Geometry
     fun rotateZ(angle: Number): Geometry
diff --git a/visionforge-solid/src/jsMain/kotlin/info/laht/threekt/core/Object3D.kt b/visionforge-solid/src/jsMain/kotlin/info/laht/threekt/core/Object3D.kt
index be7a95d5..e49add5e 100644
--- a/visionforge-solid/src/jsMain/kotlin/info/laht/threekt/core/Object3D.kt
+++ b/visionforge-solid/src/jsMain/kotlin/info/laht/threekt/core/Object3D.kt
@@ -165,7 +165,7 @@ open external class Object3D {
     /**
      * Applies the matrix transform to the object and updates the object's position, rotation and scale.
      */
-    fun applyMatrix(matrix: Matrix4)
+    fun applyMatrix4(matrix: Matrix4)
 
     /**
      * Applies the rotation represented by the quaternion to the object.