Square Antiprism-Trapezohedron Toroid C0 = 0.0721375078778507478291882437893 = sqrt(2 * (17 * sqrt(2) - 24)) / 4 C1 = 0.112085382291991279528598381347 = sqrt(2 * (10 - 7 * sqrt(2))) / 4 C2 = 0.270598050073098492199861602683 = sqrt(2 * (2 - sqrt(2))) / 4 C3 = 0.420448207626857271515562738117 = sqrt(2 * sqrt(2)) / 4 C4 = 0.653281482438188263928321586714 = sqrt(2 * (2 + sqrt(2))) / 4 V0 = ( C4, C2, C3) V1 = ( C4, -C2, -C3) V2 = (-C4, -C2, C3) V3 = (-C4, C2, -C3) V4 = ( C2, -C4, C3) V5 = ( C2, C4, -C3) V6 = (-C2, C4, C3) V7 = (-C2, -C4, -C3) V8 = ( C2, -C1, C0) V9 = ( C2, C1, -C0) V10 = (-C2, C1, C0) V11 = (-C2, -C1, -C0) V12 = ( C1, C2, C0) V13 = ( C1, -C2, -C0) V14 = (-C1, -C2, C0) V15 = (-C1, C2, -C0) Faces: { 0, 6, 15, 12, 9 } { 0, 9, 8, 13, 4 } { 1, 7, 14, 13, 8 } { 1, 8, 9, 12, 5 } { 2, 4, 13, 14, 11 } { 2, 11, 10, 15, 6 } { 3, 5, 12, 15, 10 } { 3, 10, 11, 14, 7 } { 0, 4, 1 } { 0, 1, 5 } { 2, 6, 3 } { 2, 3, 7 } { 4, 2, 7 } { 4, 7, 1 } { 6, 0, 5 } { 6, 5, 3 }