# Blender v2.79 (sub 0) OBJ File: ''
# www.blender.org
mtllib math_tetrahedron.mtl
o Solid.003
v -0.611074 1.978522 -5.396248
v 0.331735 0.645189 -5.396248
v -1.082478 0.645189 -6.212745
v -1.082478 0.645189 -4.579751
vn 0.4714 0.3333 -0.8165
vn -0.9428 0.3333 0.0000
vn 0.4714 0.3333 0.8165
vn 0.0000 -1.0000 0.0000
usemtl None
s off
f 1//1 2//1 3//1
f 1//2 3//2 4//2
f 1//3 4//3 2//3
f 2//4 4//4 3//4