Last edited 13sep18

Experiments with David Eck's glsim.js Library

Top down, are current versions of classic homotopies.

Safari-friendly skeln ECMA5 dispensation

jazzNeckEversion Morin's Eversion of an annulus

jazzDunce Dalbec's Duncehat contraction

Works best in Chrome or Firefox on your computer. But might work on your phone. Let me know if it doesn't at

Snail Documentation in Chapter 13, Thomas Davis, Scientific Visualization in Mathematics and Science Teaching, AACE, 1995.

Previous version of jazzSnail

Earlier version of jsSnail

First version of oc1 and tr1

First version jsSkel.html