This is a VRML source page You can include any of these objects in your VRML “virtual worlds”, design proposals or presentations under the Creative Commons share alike license. All these designs are Design Copyright © 1996 Bruno Postle.
All these surfaces were created using Patterner for Windows, and exported as you see them. Patterner for Windows is all new software for patterning 3d meshes. The demo version has 2d and 3d dxf file format export disabled, however 3d VRML export is enabled, allowing you to design and view surfaces like those shown below.