Actually something like NimSvg comes quite close to what I want. Create some graphics on the boundary of math and art...and then you can print them thru Inkscape. Cool!
The inventorization is more of a knowledgy interest..(Allthoe I have also an interest in (small) games, but I think that is a bit too much hay on my fork [as we say in dutch]). I will also look at awesome-nim..