The recreational dice scene has lots of these "not really useful in real world but we still cracked the math" kind of solutions.
https://www.youtube.com/watch?v=5q32heFz1bs (Go First Dice - Numberphile)
I think these sorts of irregular shapes are very sensitive to how they are rolled. Like, the distribution when they are dropped on a surface from directly above may be very different than being rolled laterally.
The recreational dice scene has lots of these "not really useful in real world but we still cracked the math" kind of solutions. https://www.youtube.com/watch?v=5q32heFz1bs (Go First Dice - Numberphile)
I think these sorts of irregular shapes are very sensitive to how they are rolled. Like, the distribution when they are dropped on a surface from directly above may be very different than being rolled laterally.