diff --git a/DDCore/src/Shapes.cpp b/DDCore/src/Shapes.cpp
index 9786e02e0589084099a1cce37b83797167fb0ec2..a048a5fb333648ab500a0fd960b21b851d89eebd 100644
--- a/DDCore/src/Shapes.cpp
+++ b/DDCore/src/Shapes.cpp
@@ -1061,6 +1061,7 @@ INSTANTIATE(TGeoHype);
 INSTANTIATE(TGeoTrap);
 INSTANTIATE(TGeoTrd1);
 INSTANTIATE(TGeoTrd2);
+INSTANTIATE(TGeoCtub);
 INSTANTIATE(TGeoScaledShape);
 INSTANTIATE(TGeoCompositeShape);
 
diff --git a/DDDetectors/compact/SiD/SiD_VertexConfig.xml b/DDDetectors/compact/SiD/SiD_VertexConfig.xml
index 0952978b9ffbfdf6ef6203af970a0b55b2dccce4..5338f5dec3d57c6df33d2a0ed9929077af484b2c 100644
--- a/DDDetectors/compact/SiD/SiD_VertexConfig.xml
+++ b/DDDetectors/compact/SiD/SiD_VertexConfig.xml
@@ -18,6 +18,8 @@
 
   <!--  Definition of the used visualization attributes    -->
   <display>
+    <vis name="VertexSupportVis"     alpha="1.0" r=".4" g=".4"  b=".6"  drawingStyle="wireframe" showDaughters="false" visible="true"/>
+    <vis name="VertexCableVis"       alpha="1.0" r=".5" g=".5"  b=".8"  drawingStyle="solid"     showDaughters="false" visible="true"/>
     <vis name="SiVertexModuleVis"    alpha="1.0" r="1" g="1"    b="0.6" drawingStyle="wireframe" showDaughters="true"  visible="true"/>
     <vis name="SiVertexSensitiveVis" alpha="1.0" r="1" g="0.2"  b="0.2" drawingStyle="solid"     showDaughters="true"  visible="true"/>
     <vis name="SiVertexPassiveVis"   alpha="1.0" r="0" g="0.2"  b="1"   drawingStyle="solid"     showDaughters="true"  visible="true"/>
diff --git a/DDDetectors/compact/SiD/SiD_VertexSupport.xml b/DDDetectors/compact/SiD/SiD_VertexSupport.xml
index 512b2c492001c5b949f2ca256d56dc7a4676e7e1..54c0ea1ab0fcab04ae17408751502a436786a9ee 100644
--- a/DDDetectors/compact/SiD/SiD_VertexSupport.xml
+++ b/DDDetectors/compact/SiD/SiD_VertexSupport.xml
@@ -9,7 +9,7 @@
 
     <comment>Vertex Detector Supports and Readout</comment>
 
-    <detector name="VertexBarrelSupports" type="DD4hep_MultiLayerTracker" vis="SupportVis" reflect="true">
+    <detector name="VertexBarrelSupports" type="DD4hep_MultiLayerTracker" vis="VertexSupportVis" reflect="true">
 
       <comment>Double-walled Carbon Fiber support tube</comment>
 
@@ -20,7 +20,7 @@
 	<slice material = "CarbonFiber" thickness ="VXD_CF_support"/>
       </layer>
     </detector>
-    <detector name="VertexEndSupports" type="DD4hep_DiskTracker" reflect="true" vis="SupportVis">    
+    <detector name="VertexEndSupports" type="DD4hep_DiskTracker" reflect="true" vis="VertexSupportVis">    
       <layer id="7" inner_r = "(86.88*cm - CentralBeamPipe_zmax)*bp_cone_slope + CentralBeamPipe_rmax + VertexEndcap_offset" inner_z = "86.88*cm" outer_r = "16.87*cm">
 	<slice material = "CarbonFiber" thickness = "VXD_CF_support" />
       </layer>
@@ -29,7 +29,7 @@
       </layer>
     </detector>
 
-    <detector name="VertexReadout" type="DD4hep_DiskTracker" reflect="true" vis="CableVis">
+    <detector name="VertexReadout" type="DD4hep_DiskTracker" reflect="true" vis="VertexCableVis">
 
       <comment>Readout and Cabling</comment>
 
@@ -86,7 +86,7 @@
       </layer>
     </detector>
 
-    <detector name="VXDcableZforwardBarrel" type="DD4hep_PolyconeSupport" insideTrackingVolume="true" vis="CableVis">
+    <detector name="VXDcableZforwardBarrel" type="DD4hep_PolyconeSupport" insideTrackingVolume="true" vis="VertexCableVis">
       <material name="Copper"/>
       <zplane rmin = "(CentralBeamPipe_rmax)"
 	      rmax = "(CentralBeamPipe_rmax + VertexCableThickness)"
@@ -96,7 +96,7 @@
 	      z="CentralBeamPipe_zmax"/>
     </detector>
 
-    <detector name="VXDcableZbackwardBarrel" type="DD4hep_PolyconeSupport" insideTrackingVolume="true" vis="CableVis">
+    <detector name="VXDcableZbackwardBarrel" type="DD4hep_PolyconeSupport" insideTrackingVolume="true" vis="VertexCableVis">
       <material name="Copper"/>
       <zplane rmin = "(CentralBeamPipe_rmax)"
 	      rmax = "(CentralBeamPipe_rmax + VertexCableThickness)"
@@ -106,7 +106,7 @@
 	      z="-CentralBeamPipe_zmax"/>
     </detector> 
 
-    <detector name="VXDcableZbackwardOuter" type="DD4hep_PolyconeSupport" insideTrackingVolume="true" vis="CableVis">
+    <detector name="VXDcableZbackwardOuter" type="DD4hep_PolyconeSupport" insideTrackingVolume="true" vis="VertexCableVis">
       <material name="Copper"/>
       <zplane rmin = "((tracking_region_zmax - CentralBeamPipe_zmax)*bp_cone_slope + CentralBeamPipe_rmax)" 
 	      rmax = "((tracking_region_zmax - CentralBeamPipe_zmax)*bp_cone_slope + CentralBeamPipe_rmax + 0.004*cm)" 
@@ -116,7 +116,7 @@
 	      z="-(VertexService_zmax + 0.01*cm)"/>
     </detector>
 
-    <detector name="VXDcableZbackwardInner" type="DD4hep_PolyconeSupport" insideTrackingVolume="true" vis="CableVis">
+    <detector name="VXDcableZbackwardInner" type="DD4hep_PolyconeSupport" insideTrackingVolume="true" vis="VertexCableVis">
       <material name="Copper"/>
       <zplane rmin="CentralBeamPipe_rmax"
 	      rmax="CentralBeamPipe_rmax + VertexCableThickness"
@@ -126,7 +126,7 @@
 	      z="-(VertexService_zmin - 0.01*cm)"/>
     </detector>
 
-    <detector name="VXDcableZforwardOuter" type="DD4hep_PolyconeSupport" insideTrackingVolume="true" vis="CableVis">
+    <detector name="VXDcableZforwardOuter" type="DD4hep_PolyconeSupport" insideTrackingVolume="true" vis="VertexCableVis">
       <material name="Copper"/>
       <zplane rmin = "((tracking_region_zmax - CentralBeamPipe_zmax)*bp_cone_slope + CentralBeamPipe_rmax)" 
 	      rmax = "((tracking_region_zmax - CentralBeamPipe_zmax)*bp_cone_slope + CentralBeamPipe_rmax + 0.004*cm)" 
@@ -136,7 +136,7 @@
 	      z="VertexService_zmax + 0.01*cm"/>
     </detector>
 
-    <detector name="VXDcableZforwardInner" type="DD4hep_PolyconeSupport" insideTrackingVolume="true" vis="CableVis">
+    <detector name="VXDcableZforwardInner" type="DD4hep_PolyconeSupport" insideTrackingVolume="true" vis="VertexCableVis">
       <material name="Copper"/>
       <zplane rmin="(VertexService_zmin - 0.01*cm - CentralBeamPipe_zmax)*bp_cone_slope + CentralBeamPipe_rmax"
 	      rmax="(VertexService_zmin - 0.01*cm - CentralBeamPipe_zmax)*bp_cone_slope + CentralBeamPipe_rmax + VertexCableThickness"
@@ -146,7 +146,7 @@
 	      z="CentralBeamPipe_zmax"/>
     </detector>
 
-    <detector name="VXDserviceZbackward" type="DD4hep_PolyconeSupport" insideTrackingVolume="true" vis="CableVis">
+    <detector name="VXDserviceZbackward" type="DD4hep_PolyconeSupport" insideTrackingVolume="true" vis="VertexCableVis">
       <material name="G10"/>
       <zplane rmin = "(VertexService_zmax - CentralBeamPipe_zmax)*bp_cone_slope + CentralBeamPipe_rmax"
 	      rmax="(VertexService_zmax - CentralBeamPipe_zmax)*bp_cone_slope + CentralBeamPipe_rmax + VertexServiceThickness"
@@ -156,7 +156,7 @@
 	      z="-VertexService_zmin"/>
     </detector>
 
-    <detector name="VXDserviceZforward" type="DD4hep_PolyconeSupport" insideTrackingVolume="true" vis="CableVis">
+    <detector name="VXDserviceZforward" type="DD4hep_PolyconeSupport" insideTrackingVolume="true" vis="VertexCableVis">
       <material name="G10"/>
       <zplane rmin = "(VertexService_zmin - CentralBeamPipe_zmax)*bp_cone_slope + CentralBeamPipe_rmax"
 	      rmax="(VertexService_zmin - CentralBeamPipe_zmax)*bp_cone_slope + CentralBeamPipe_rmax + VertexServiceThickness"
diff --git a/DDG4/src/Geant4AssemblyVolume.cpp b/DDG4/src/Geant4AssemblyVolume.cpp
index 6cae442f8ff2255fa9c4c2b0752ce2107251f12e..1adf8b5fe18518dd565aeb3a253ef73de26a0ad3 100644
--- a/DDG4/src/Geant4AssemblyVolume.cpp
+++ b/DDG4/src/Geant4AssemblyVolume.cpp
@@ -110,17 +110,6 @@ void Geant4AssemblyVolume::imprint(Geant4GeometryInfo&   info,
       // ZZZ - the log. volume index inside the assembly volume
       //
       std::stringstream pvName;
-#if 0
-      pvName << "av_"
-             << m_assembly->GetAssemblyID()
-             << "_impr_"
-             << GetImprintsCount()
-             << "_"
-             << triplet.GetVolume()->GetName().c_str()
-             << "_pv_"
-             << i
-             << ends;
-#endif
       pvName << "AV_"
              << m_assembly->GetAssemblyID()
              << '!'
@@ -136,11 +125,6 @@ void Geant4AssemblyVolume::imprint(Geant4GeometryInfo&   info,
       // (as we allow 3D transformation use G4ReflectionFactory to
       //  take into account eventual reflection)
       //
-#if 0
-      printout(INFO,"Geant4Converter","++ Place %svolume %s in assembly.",
-	       triplet.IsReflection() ? "REFLECTED " : "",
-	       detail::tools::placementPath(new_chain).c_str());
-#endif
       G4PhysicalVolumesPair pvPlaced
         = G4ReflectionFactory::Instance()->Place( Tfinal,
                                                   pvName.str().c_str(),
@@ -155,6 +139,9 @@ void Geant4AssemblyVolume::imprint(Geant4GeometryInfo&   info,
       //fPVStore.emplace_back( pvPlaced.first );
       info.g4VolumeImprints[vol].emplace_back(new_chain,pvPlaced.first);
 #if 0
+      printout(INFO,"Geant4Converter","++ Place %svolume %s in assembly.",
+	       triplet.IsReflection() ? "REFLECTED " : "",
+	       detail::tools::placementPath(new_chain).c_str());
       cout << " Assembly:Parent:" << parent->GetName() << " " << node->GetName()
            << " " <<  (void*)node << " G4:" << pvName.str() << " Daughter:"
            << detail::tools::placementPath(new_chain) << endl;
diff --git a/examples/ClientTests/compact/CaloEndcapReflection.xml b/examples/ClientTests/compact/CaloEndcapReflection.xml
index e1a27dd90f6a7ec2f4f1a083978552cbfcd72c67..33e3f7ac6aee22585e5c051404ba7b7a9e679d4f 100644
--- a/examples/ClientTests/compact/CaloEndcapReflection.xml
+++ b/examples/ClientTests/compact/CaloEndcapReflection.xml
@@ -63,7 +63,6 @@
       <sensitive type="calorimeter"/>
       <reflect type="Z"/>
     </detector>
-
   </detectors>
 
   <!--  Definition of the readout segmentation/definition  -->
@@ -115,7 +114,7 @@
 
   <comment>Beampipe</comment>
   <include ref="${DD4hepINSTALL}/DDDetectors/compact/SiD/SiD_Beampipe.xml"/>
-  
+
   <fields>
     <field name="GlobalSolenoid" type="solenoid" 
 	   inner_field="5.0*tesla"
diff --git a/examples/ClientTests/compact/CheckShape.xml b/examples/ClientTests/compact/CheckShape.xml
index c4218c0c54a45785f0b289fa81111060ceca6ce3..4092297ae7b90dc5c2a98e28d8df25b2cd746f7d 100644
--- a/examples/ClientTests/compact/CheckShape.xml
+++ b/examples/ClientTests/compact/CheckShape.xml
@@ -26,7 +26,16 @@
     <gdmlFile  ref="${DD4hepINSTALL}/DDDetectors/compact/elements.xml"/>
     <gdmlFile  ref="${DD4hepINSTALL}/DDDetectors/compact/materials.xml"/>
   </includes>
+  
+  <materials>
+    <material name="DefaultMaterial">
+      <D value="7.85" unit="g/cm3"/>
+      <fraction n="0.998" ref="Fe"/>
+      <fraction n=".002"  ref="C"/>
+    </material>
+  </materials>
 
+  
   <define>
     <constant name="world_side" value="300*cm"/>
     <constant name="world_x" value="world_side"/>
diff --git a/examples/DDCAD/CMakeLists.txt b/examples/DDCAD/CMakeLists.txt
index 895b198c6190967efca0c37779e7a5248f120ee5..a2ac8217203d44e6ee52754a94ac5e77309f73ba 100644
--- a/examples/DDCAD/CMakeLists.txt
+++ b/examples/DDCAD/CMakeLists.txt
@@ -58,6 +58,27 @@ foreach (test ${DDCAD_Tests})
 endforeach()
 #
 #  Test CAD export from a simplyfied model
+dd4hep_add_test_reg( DDCAD_export_sid_vertex
+  COMMAND    "${CMAKE_INSTALL_PREFIX}/bin/run_test_DDCAD.sh"
+  EXEC_ARGS  geoPluginRun -input ${CLICSiDEx_INSTALL}/compact/SiD_multiple_inputs.xml
+  	                  -input ${CLICSiDEx_INSTALL}/compact/SiD_Vertex.xml
+			  -plugin DD4hep_CAD_export -output clicsid_vertex.collada
+			  -type collada -recursive -detector /world -recursive -scale 1.0 
+  REGEX_PASS "Analysed 383 of 383 meshes"
+  REGEX_FAIL "Exception"
+  REGEX_FAIL "FAILED"
+)
+#
+#  Test CAD import from the exported simplyfied model
+dd4hep_add_test_reg( DDCAD_import_sid_vertex
+  COMMAND    "${CMAKE_INSTALL_PREFIX}/bin/run_test_DDCAD.sh"
+  EXEC_ARGS  geoDisplay -input ${DDCADTests_INSTALL}/compact/Import_SiD_Vertex.xml -load -destroy
+  DEPENDS    Persist_Conditions_Save
+  REGEX_PASS "Read 383 meshes"
+  REGEX_FAIL "Exception"
+)
+#
+#  Test CAD export from a simplyfied model
 dd4hep_add_test_reg( DDCAD_export_cal_endcaps
   COMMAND    "${CMAKE_INSTALL_PREFIX}/bin/run_test_DDCAD.sh"
   EXEC_ARGS  geoPluginRun -input ${ClientTestsEx_INSTALL}/compact/CaloEndcapReflection.xml
diff --git a/examples/DDCAD/compact/Check_Shape_OBJ_spider.xml b/examples/DDCAD/compact/Check_Shape_OBJ_spider.xml
index 1845a97f972dff70ba994eb4023180327c7b6d1e..a91af4b927122f44ac3a7927c8635a03c48368d4 100644
--- a/examples/DDCAD/compact/Check_Shape_OBJ_spider.xml
+++ b/examples/DDCAD/compact/Check_Shape_OBJ_spider.xml
@@ -15,10 +15,53 @@
     <gdmlFile ref="../../ClientTests/compact/CheckShape.xml"/>
   </includes>
 
+  <materials>
+    <material name="HLeibTex">
+      <D value="7.85" unit="g/cm3"/>
+      <fraction n="1.0" ref="Fe"/>
+    </material>
+    <material name="BeinTex">
+      <D value="7.85" unit="g/cm3"/>
+      <fraction n="1.0" ref="Fe"/>
+    </material>
+    <material name="Augentex">
+      <D value="7.85" unit="g/cm3"/>
+      <fraction n="1.0" ref="Fe"/>
+    </material>
+    <material name="Skin">
+      <D value="7.85" unit="g/cm3"/>
+      <fraction n="1.0" ref="Fe"/>
+    </material>
+  </materials>
+
   <detectors>
     <detector id="1" name="Shape_OBJ" type="DD4hep_TestShape_Creator">
       <check vis="Shape1_vis">
-        <shape type="CAD_Assembly" ref="${DD4hepExamplesINSTALL}/examples/DDCAD/models/OBJ/spider.obj" mesh="0"/>
+	<!--
+        <shape type="CAD_Assembly" ref="${DD4hepExamplesINSTALL}/examples/DDCAD/models/OBJ/spider.obj" mesh="0" vis="Shape0_vis"/>
+	-->
+        <shape type="CAD_MultiVolume" ref="${DD4hepExamplesINSTALL}/examples/DDCAD/models/OBJ/spider.obj" unit="cm">
+	  <volume id="0"  name="v1" material="Iron" vis="Shape3_vis"/>
+	  <volume id="1"  name="v1" material="Iron" vis="Shape3_vis"/>
+	  <volume id="2"  name="v1" material="Iron" vis="Shape1_vis"/>
+	  <volume id="3"  name="v1" material="Iron" vis="Shape1_vis"/>
+	  <volume id="4"  name="v1" material="Iron" vis="Shape1_vis"/>
+	  <volume id="5"  name="v1" material="Iron" vis="Shape1_vis"/>
+	  <volume id="6"  name="v1" material="Iron" vis="Shape1_vis"/>
+	  <volume id="7"  name="v1" material="Iron" vis="Shape1_vis"/>
+	  <volume id="8"  name="v1" material="Iron" vis="Shape1_vis"/>
+	  <volume id="9"  name="v1" material="Iron" vis="Shape1_vis"/>
+	  <volume id="10" name="v1" material="Iron" vis="Shape1_vis"/>
+	  <volume id="11" name="v1" material="Iron" vis="Shape5_vis"/>
+	  <volume id="12" name="v1" material="Iron" vis="Shape5_vis"/>
+	  <volume id="13" name="v1" material="Iron" vis="Shape5_vis"/>
+	  <volume id="14" name="v1" material="Iron" vis="Shape5_vis"/>
+	  <volume id="15" name="v1" material="Iron" vis="Shape5_vis"/>
+	  <volume id="16" name="v1" material="Iron" vis="Shape5_vis"/>
+	  <volume id="17" name="v1" material="Iron" vis="Shape5_vis"/>
+	  <volume id="18" name="v1" material="Iron" vis="Shape5_vis"/>
+        </shape>
+
       </check>
       <test1  type="DD4hep_Mesh_Verifier" ref="${DD4hepExamplesINSTALL}/examples/DDCAD/ref/Ref_OBJ_spider.txt" create="CheckShape_create"/>
     </detector>
diff --git a/examples/DDCAD/compact/Import_CaloEndcap.xml b/examples/DDCAD/compact/Import_CaloEndcap.xml
index a774f7a49652a647f1c68845cb508d4cc9f97448..61cc6c9fafa9293820204895282bb05e5739766e 100644
--- a/examples/DDCAD/compact/Import_CaloEndcap.xml
+++ b/examples/DDCAD/compact/Import_CaloEndcap.xml
@@ -19,6 +19,10 @@
   <detectors>
     <detector id="1" name="Shape_Collada" type="DD4hep_TestShape_Creator">
       <check>
+	<!--
+        <shape type="CAD_MultiVolume" ref="./endcap.collada" unit="cm"/>
+        <shape type="CAD_MultiVolume" ref="./endcap.stl" unit="cm"/>
+	-->
         <shape type="CAD_MultiVolume" ref="./endcap_reflection.collada" unit="cm"/>
       </check>
     </detector>