diff --git a/dataforge-vis-common/src/commonMain/kotlin/hep/dataforge/vis/common/AbstractVisualObject.kt b/dataforge-vis-common/src/commonMain/kotlin/hep/dataforge/vis/common/AbstractVisualObject.kt
index c4ce41ae..01e2c770 100644
--- a/dataforge-vis-common/src/commonMain/kotlin/hep/dataforge/vis/common/AbstractVisualObject.kt
+++ b/dataforge-vis-common/src/commonMain/kotlin/hep/dataforge/vis/common/AbstractVisualObject.kt
@@ -56,13 +56,13 @@ abstract class AbstractVisualObject : VisualObject {
         config[name] = value
     }
 
-    private var styleCache: Laminate? = null
+    private var styleCache: Meta? = null
 
     /**
      * Collect all styles for this object in a laminate
      */
-    val appliedStyles: Laminate
-        get() = styleCache ?: Laminate(style.map { it.toName() }.mapNotNull(::findStyle)).also { styleCache = it }
+    protected val appliedStyles: Meta
+        get() = styleCache ?: Laminate(style.map { it.toName() }.mapNotNull(::findStyle)).merge().also { styleCache = it }
 
 
     /**
diff --git a/dataforge-vis-spatial-gdml/src/jsMain/kotlin/hep/dataforge/vis/spatial/gdml/demo/GDMLDemoApp.kt b/dataforge-vis-spatial-gdml/src/jsMain/kotlin/hep/dataforge/vis/spatial/gdml/demo/GDMLDemoApp.kt
index 49f8a382..d3417530 100644
--- a/dataforge-vis-spatial-gdml/src/jsMain/kotlin/hep/dataforge/vis/spatial/gdml/demo/GDMLDemoApp.kt
+++ b/dataforge-vis-spatial-gdml/src/jsMain/kotlin/hep/dataforge/vis/spatial/gdml/demo/GDMLDemoApp.kt
@@ -4,7 +4,10 @@ import hep.dataforge.context.Global
 import hep.dataforge.vis.common.VisualGroup
 import hep.dataforge.vis.hmr.ApplicationBase
 import hep.dataforge.vis.hmr.startApplication
-import hep.dataforge.vis.spatial.*
+import hep.dataforge.vis.spatial.Visual3DPlugin
+import hep.dataforge.vis.spatial.VisualGroup3D
+import hep.dataforge.vis.spatial.VisualObject3D
+import hep.dataforge.vis.spatial.attachChildren
 import hep.dataforge.vis.spatial.gdml.GDMLTransformer
 import hep.dataforge.vis.spatial.gdml.LUnit
 import hep.dataforge.vis.spatial.gdml.toVisual
@@ -137,15 +140,15 @@ private class GDMLDemoApp : ApplicationBase() {
         }
 
         solidConfiguration = { parent, solid ->
-            if (!parent.physVolumes.isEmpty()) {
-                opacity = 0.3
-            }
-            if (solid.name.startsWith("Coil")
+            if (parent.physVolumes.isNotEmpty()
+                || solid.name.startsWith("Coil")
                 || solid.name.startsWith("Yoke")
                 || solid.name.startsWith("Magnet")
                 || solid.name.startsWith("Pole")
             ) {
-                opacity = 0.3
+                useStyle("opaque") {
+                    VisualObject3D.OPACITY_KEY to 0.3
+                }
             }
         }
     }