Type Prism Faces 6 parallelograms Edges 12 Vertices 8 Symmetry group Ci Properties convex In geometry, a parallelepiped (now usually ; traditionally /ˌpærəlɛlˈɛpɪpɛd/ in accordance with its etymology in Greek παραλληλ-επίπεδον, a body "having parallel planes")'s a three-dimensional figure formed by six parallelograms. It's to a parallelogram as a cube's to a sq… (More on Parallelepiped)