Jeremy Smith (frivolix)
I am a 'math/artist' with particular interests in the impossible triangle, the golden ratio, the platonic solids, aperiodic tiling, takraw, and tackraw royale, and puzzles like the Soma cube, &c. Many of the models of these are available freely as kits which can be downloaded, cut out, and assembled. Most of the products on this site are booklets and posters. Many of the smaller model are available as PDFs here.