--- a
+++ b/Application/Examples/THA-KneeBendDemo/Model/BoneExchange.any
@@ -0,0 +1,17 @@
+//// Hide intact femur, draw resected one
+
+Main.HumanModel.BodyModel.Right.Leg.Seg.Thigh.Drw3.Visible = Off;
+
+
+Main.HumanModel.BodyModel.Right.Leg.Seg.Thigh ={
+  
+  AnyDrawSurf NewFem = {
+    FileName = "../Input/femur"; 
+    ScaleXYZ = {1.0, 1.0,1.0};
+    RGB = ...ColorRef.Segments;
+    Opacity = 0.42;//;
+    AnyFunTransform3D &Scale =Main.HumanModel.BodyModel.Right.Leg.Seg.Thigh.Drw3.Scale;//.Scale;  
+    Face=-1;
+  };  
+};
+