Links
These sites have some connection with Tarquin materials.
Paper Folding, a hands on study of mathematics
Virtual polyhedra, and how to make 3D models of them
©Tarquin
Interactive Mathematics, a large collection needing Java or JavaScript
The KnotPlot Site, all you ever wanted to know about knots!
Borin Van Loon, contact the author
Escher, a picture gallery of Escher posters
computer-adviser computer services
Flying Pig Gallery, Paper automata from Rob Ives' home page
cheaper-motoring , auto information