[_Microft]

That's impressive. Here someone created a slab of glass that turns the caustics into a picture of his cat: https://mattferraro.dev/posts/caustics-engineering

(discovered via: https://news.ycombinator.com/item?id=29063617 )

[diplodocusaur]

'two minute papers' has a link to a free course on how to do this. I haven't checked them out. https://www.youtube.com/watch?v=_r-eIKkyAco Note: the title says 3d printing but it's actually milling acryllic sheets, not SLA