It is way much better and lighter than typical plaster-of-Paris ornaments, and isn't so liable to chip or split if struck with something. Tetrahedral carton of milk Whilst rather typically shaped similar to a cuboid, It's not unheard of to find cartons lacking correct angles and straight edges, as in https://gabletopcartons.fashion.blog/2024/12/05/gabletop-pak-revolutionizing-sustainable-packaging-solutions-for-a-greener-future/