[adkaplan]

For a look at someone solving a harder version of this problem with stretchy fabric deformation, check out pandafold.app

Admittedly an unconventional audience but its a curious problem space. Pepakura as mentioned here does this very well. The author of this software looks to be familiar with it

[s1mon]

https://www.pandafold.app works but https://pandafold.app does not.

[Whitespace]

That site would do well to show an image of an actual physical thing you can make with it instead of the same images over and over of a cartoonish dog/wolf head.