Tetrahedral carton of milk Though quite normally formed just like a cuboid, it is not uncommon to uncover cartons missing suitable angles and straight edges, as in squrounds utilized for ice product. Classic Gable Roof: A conventional gable roof with two equal sloping sides. b. Cross Gable Roof: A gable https://www.tumblr.com/sustainablemilkcartons/782674449365368832/gable-top-packaging-driving-innovation-and?source=share