[unclesaamm]

I love this! Relatedly, here is a plug of an interactive unfolding of 4d polytopes into their 3d faces that I made recently: https://sam.zhang.fyi/html/unfolding/index.html

[dabed]

"Beautifully, all unfoldings of the 4-cube, 4-simplex, and 4-orthoplex are nets." why? is it a theorem or is it obvious?