Once, long ago, last century I posted a heap of supposedly useful lisp routines on an old web site (now long gone). I have gone through these and reposted them on:
I have also posted some ancient 3D ones on:
It struck me that some of these are hard to use(!), so I have done a few videos, creating a special page for them at:
It was a bit of a learning curve doing them - they ended up with huge file sizes, so I downloaded a free converter and condensed them a bit.
Before 2000, I was interested in Virtual Reality Modelling Language (VRML) and sort of expected that this would evolve into something useful around about now. It appears not....although maybe I have not looked hard enough. I looked at all the old sites and most of them seem to be stuck around 7 years ago. Octaga seems to be the only one still chugging.