diff -uNr v01-10.ORIG/Mokka/mokka-07-06/source/Geometry/Tesla/src/TubeX00.cc v01-10/Mokka/mokka-07-06/source/Geometry/Tesla/src/TubeX00.cc
--- v01-10.ORIG/Mokka/mokka-07-06/source/Geometry/Tesla/src/TubeX00.cc	2011-01-27 00:37:29.000000000 +0900
+++ v01-10/Mokka/mokka-07-06/source/Geometry/Tesla/src/TubeX00.cc	2011-01-27 05:09:14.000000000 +0900
@@ -138,7 +138,11 @@
       
       // placement as a daughter volume of the tube, will appear in both placements of the tube
       G4PVPlacement *wallPhys = 0; // one-liner would give a compiler warning
+#if 0
       wallPhys = new G4PVPlacement(0, 0, wallLog, volName + "_wall", tubeLog, false, 0);
+#else
+      wallPhys = new G4PVPlacement(0, G4ThreeVector(0, 0, 0), wallLog, volName + "_wall", tubeLog, false, 0);
+#endif
     
     } else if (crossType == kUpstreamClipped || crossType == kDnstreamClipped) {
       // a volume on the upstream or donwstream branch, but with the front face parallel to the xy-plane (!)
@@ -190,8 +194,13 @@
       
       // placement as a daughter volumes of the tube
       G4PVPlacement *wallPhys = 0;
+#if 0
       wallPhys = new G4PVPlacement(0, 0, wallLog0, volName + "_wall", tubeLog0, false, 0);
       wallPhys = new G4PVPlacement(0, 0, wallLog1, volName + "_wall", tubeLog1, false, 1);
+#else
+      wallPhys = new G4PVPlacement(0, G4ThreeVector(0, 0, 0), wallLog0, volName + "_wall", tubeLog0, false, 0);
+      wallPhys = new G4PVPlacement(0, G4ThreeVector(0, 0, 0), wallLog1, volName + "_wall", tubeLog1, false, 1);
+#endif
       
     } else if (crossType == kPunched) {
       // a volume on the z-axis with two inner holes
@@ -243,8 +252,13 @@
 
       // placement as a daughter volumes of the tube
       G4PVPlacement *wallPhys;
+#if 0
       wallPhys = new G4PVPlacement(0, 0, wallLog0, volName + "_wall", tubeLog0, false, 0);
       wallPhys = new G4PVPlacement(0, 0, wallLog1, volName + "_wall", tubeLog1, false, 1);
+#else
+      wallPhys = new G4PVPlacement(0, G4ThreeVector(0, 0, 0), wallLog0, volName + "_wall", tubeLog0, false, 0);
+      wallPhys = new G4PVPlacement(0, G4ThreeVector(0, 0, 0), wallLog1, volName + "_wall", tubeLog1, false, 1);
+#endif
     }
   }
   delete db;
diff -uNr v01-10.ORIG/Mokka/mokka-07-06/source/Geometry/Tesla/src/TubeX01.cc v01-10/Mokka/mokka-07-06/source/Geometry/Tesla/src/TubeX01.cc
--- v01-10.ORIG/Mokka/mokka-07-06/source/Geometry/Tesla/src/TubeX01.cc	2011-01-27 00:37:29.000000000 +0900
+++ v01-10/Mokka/mokka-07-06/source/Geometry/Tesla/src/TubeX01.cc	2011-01-27 05:09:14.000000000 +0900
@@ -221,7 +221,11 @@
           wallLog->SetVisAttributes(wallVisAttrib);
         
           // placement as a daughter volume of the tube, will appear in both placements of the tube
+#if 0
           new G4PVPlacement(0, 0, wallLog, volName + "_wall", tubeLog, false, 0);
+#else
+          new G4PVPlacement( 0, G4ThreeVector(0, 0, 0), wallLog, volName + "_wall", tubeLog, false, 0);
+#endif
         }
         break;
       }
@@ -285,8 +289,13 @@
         wallLog1->SetVisAttributes(wallVisAttrib);
   
         // placement as a daughter volumes of the tube
+#if 0
         new G4PVPlacement(0, 0, wallLog0, volName + "_wall", tubeLog0, false, 0);
         new G4PVPlacement(0, 0, wallLog1, volName + "_wall", tubeLog1, false, 1);
+#else
+        new G4PVPlacement( 0, G4ThreeVector(0, 0, 0), wallLog0, volName + "_wall", tubeLog0, false, 0);
+        new G4PVPlacement( 0, G4ThreeVector(0, 0, 0), wallLog1, volName + "_wall", tubeLog1, false, 1);
+#endif
         break;
       }
       case kPunchedUpstream:
@@ -335,8 +344,13 @@
         wallLog1->SetVisAttributes(wallVisAttrib);
   
         // placement as a daughter volumes of the tube
+#if 0
         new G4PVPlacement(0, 0, wallLog0, volName + "_wall", tubeLog0, false, 0);
         new G4PVPlacement(0, 0, wallLog1, volName + "_wall", tubeLog1, false, 1);
+#else
+        new G4PVPlacement( 0, G4ThreeVector(0, 0, 0), wallLog0, volName + "_wall", tubeLog0, false, 0);
+        new G4PVPlacement( 0, G4ThreeVector(0, 0, 0), wallLog1, volName + "_wall", tubeLog1, false, 1);
+#endif
         break;
       }
       case kUpstreamClippedFront:
@@ -393,8 +407,13 @@
           wallLog1->SetVisAttributes(wallVisAttrib);
         
           // placement as a daughter volumes of the tube
+#if 0
           new G4PVPlacement(0, 0, wallLog0, volName + "_wall", tubeLog0, false, 0);
           new G4PVPlacement(0, 0, wallLog1, volName + "_wall", tubeLog1, false, 1);
+#else
+          new G4PVPlacement( 0, G4ThreeVector(0, 0, 0), wallLog0, volName + "_wall", tubeLog0, false, 0);
+          new G4PVPlacement( 0, G4ThreeVector(0, 0, 0), wallLog1, volName + "_wall", tubeLog1, false, 1);
+#endif
         }
         break;
       }
@@ -452,8 +471,13 @@
           wallLog1->SetVisAttributes(wallVisAttrib);
         
           // placement as a daughter volumes of the tube
+#if 0
           new G4PVPlacement(0, 0, wallLog0, volName + "_wall", tubeLog0, false, 0);
           new G4PVPlacement(0, 0, wallLog1, volName + "_wall", tubeLog1, false, 1);
+#else
+          new G4PVPlacement( 0, G4ThreeVector(0, 0, 0), wallLog0, volName + "_wall", tubeLog0, false, 0);
+          new G4PVPlacement( 0, G4ThreeVector(0, 0, 0), wallLog1, volName + "_wall", tubeLog1, false, 1);
+#endif
         }
         break;
       }
@@ -518,8 +542,13 @@
           wallLog1->SetVisAttributes(wallVisAttrib);
         
           // placement as a daughter volumes of the tube
+#if 0
           new G4PVPlacement(0, 0, wallLog0, volName + "_wall", tubeLog0, false, 0);
           new G4PVPlacement(0, 0, wallLog1, volName + "_wall", tubeLog1, false, 1);
+#else
+          new G4PVPlacement( 0, G4ThreeVector(0, 0, 0), wallLog0, volName + "_wall", tubeLog0, false, 0);
+          new G4PVPlacement( 0, G4ThreeVector(0, 0, 0), wallLog1, volName + "_wall", tubeLog1, false, 1);
+#endif
         }
         break;
       }