Tetrahedral carton of milk While very typically shaped similar to a cuboid, It is far from unheard of to find cartons missing suitable angles and straight edges, as in squrounds utilized for ice cream. Typical Gable Roof: A traditional gable roof with two equal sloping sides. b. Cross Gable Roof: https://waterintetrapak.blogspot.com/2025/06/hydration-with-purpose-sustainable.html