Ok, that's not the whole story. You need three of these little pieces and you interlock them to make a triangle; each of these triangles is one face of the object, except that each triangle has three little half-pieces hanging out from its edges, and these half-pieces get used in making the triangle faces that are adjacent to the one you started with
Ok, that's not the whole story. You need three of these little pieces and you interlock them to make a triangle; each of these triangles is one face of the object, except that each triangle has three little half-pieces hanging out from its edges, and these half-pieces get used in making the triangle faces that are adjacent to the one you started with