Tetrahedral carton of milk Although pretty generally formed like a cuboid, It's not at all unheard of to search out cartons missing appropriate angles and straight edges, as in squrounds used for ice product. Vintage Gable Roof: A traditional gable roof with two equal sloping sides. b. Cross Gable Roof: https://gabletopcartons.blogspot.com/2025/06/a-greener-sip-revolutionizing-hydration.html