A triangle has three sides. A triangular prism has five faces, the two triangles for each end plus three rectangular faces that join them.

Object Details maker Berman, Martin Description The faces of this model are those of a triangular prism with square pyramid protruding from two square sides. Its faces total ten equilateral triangules ...

The dimerization of two trimeric rings forms a triangular prism (Prism I; containing six RNA molecules) with the two trimeric rings as its top and bottom faces.