regular comb, deviations of a few percent from the "perfect" hexagonal shape occur. In transition zones between the larger cells of drone comb and the smaller cells of worker comb, or when the bees encounter obstacles, the shapes are often distorted. Cells are also angled up about 13° from horizontal to prevent honey from dripping out.

In 1965, László Fejes Tóth discovered that the trihedral pyramidal shape (which is composed of three rhombi)