Triangular Prism C0 = 0.288675134594812882254574390251 = sqrt(3) / 6 C1 = 0.577350269189625764509148780502 = sqrt(3) / 3 V0 = ( 0.5, -C0, 0.5) V1 = ( 0.5, -C0, -0.5) V2 = (-0.5, -C0, 0.5) V3 = (-0.5, -C0, -0.5) V4 = ( 0.0, C1, 0.5) V5 = ( 0.0, C1, -0.5) Faces: { 0, 1, 5, 4 } { 4, 5, 3, 2 } { 2, 3, 1, 0 } { 0, 4, 2 } { 1, 3, 5 }