So, faces? Well, just the one. Edges? Zero. Vertices? None. Oh dear! Oh well. The spheres are disappointed and one is angry. 3D shapes have faces (sides), edges and vertices (corners). Faces - A ...

A net will always be made up of the same number of connected 2D shapes as there are faces on the 3D shape, excluding folding flaps of course. For example, this cube net becomes this die.

In the core of a knitting machine or at the tips of a skilled knitter’s needles, a strand of fiber can be transformed into ...