what is the scientific name for this shape
self bump pls help
https://en.wikipedia.org/wiki/Moving_sofa_problem
In the context of this problem, it's called the Hammersley sofa.
Arch
https://en.wikipedia.org/wiki/Vault_(architecture)#Barrel_vault
>>266595
Arch Linux
>>266595
l'arc
A 90 degree clockwise rotation of the letter C.
A slice of apple.