private void AddTube() { Tube.UpdateFrozenMesh(); dirty = true; Update(); //tubeModel = new Model("Tube", tube.TubeMesh, tool.MaterialManager["Tube"]); TubeModel = new Model("Tube", Tube.TubeMesh, tool.MaterialManager["Tube"]); // tool.MaterialManager["Schlick"]); tool.TubeGroup.Add(TubeModel); }