For Viewing large drawings, pls click the drawings.

To see the animated drawing, pls click Animated Gif.

To see the AVI movie, pls click AVI.

To view the VRMLFiles, pls download the CosmoPlayer.

Pictures are produced by Oliver Mather.

Pyramid configuration : Fig3 (a) Animated Gif AVI VRML	Pyramid configuration : Fig3 (b) Animated Gif AVI VRML	Pyramid configuration : Fig3 (c) Animated Gif AVI VRML
Prism configuration : Fig4 (a) Animated Gif AVI VRML	Prism configuration : Fig4 (b) Animated Gif AVI VRML	Prism configuration : Fig4 (c) Animated Gif AVI VRML
Cube configuration : Fig1 (b) Animated Gif AVI VRML	Cube configuration : Fig5 Animated Gif AVI VRML	Pyramid with no fixed subtree Animated Gif AVI VRML