Tetrahedral carton of milk Though very normally shaped like a cuboid, It's not at all unheard of to seek out cartons lacking proper angles and straight edges, as in squrounds employed for ice cream. Classic Gable Roof: A standard gable roof with two equal sloping sides. b. Cross Gable Roof: https://paperwaterbottle.travel.blog/2025/05/05/innovative-aseptic-packaging-for-milk-with-gable-top-cartons/