#Name:Tetrahedron
#Type:face_specified

v   0   0   0.61237244
v   -0.28867513   -0.50000000   -0.20412415
v   -0.28867513   0.50000000   -0.20412415
v   0.57735027   0   -0.20412415

f   2   3   4
f   3   2   1
f   4   1   2
f   1   4   3