package require vtk package require vtkinteraction vtkConeSource cone cone SetRadius 0.05 cone SetHeight 0.25 cone SetResolution 256 cone SetCenter 0.15 0.0 0.15 vtkRotationFilter rotate rotate SetInputConnection [cone GetOutputPort] rotate SetAxisToZ rotate SetCenter 0.0 0.0 0.0 rotate SetAngle 45 rotate SetNumberOfCopies 7 rotate CopyInputOn vtkDataSetMapper mapper mapper SetInputConnection [rotate GetOutputPort] vtkActor actor actor SetMapper mapper vtkRenderer ren1 ren1 AddActor actor vtkRenderWindow renWin renWin AddRenderer ren1 renWin SetSize 512 512 vtkRenderWindowInteractor iren iren SetRenderWindow renWin iren AddObserver UserEvent {wm deiconify .vtkInteract} iren Initialize renWin Render wm withdraw .