g cube

v  0.0  0.0  0.0  0.48627  0.43137  0.47059
v  0.0  0.0  1.0  0.09412  0.00000  0.47451
v  0.0  1.0  0.0  0.01569  0.00000  0.17255
v  0.0  1.0  1.0  0.87843  0.00000  0.03922
v  1.0  0.0  0.0  0.09412  0.78431  0.09804
v  1.0  0.0  1.0  0.48627  0.03922  0.21961
v  1.0  1.0  0.0  0.30588  0.03922  0.19608
v  1.0  1.0  1.0  0.09020  0.00000  0.78431

vn 0.0 0.0 1.0
vn 0.0 0.0 -1.0
vn 0.0 1.0 0.0
vn 0.0 -1.0 0.0
vn 1.0 0.0 0.0
vn -1.0 0.0 0.0

f 1//2 7//2 5//2
f 1//2 3//2 7//2
f 1//6 4//6 3//6
f 1//6 2//6 4//6
f 3//3 8//3 7//3
f 3//3 4//3 8//3
f 5//5 7//5 8//5
f 5//5 8//5 6//5
f 1//4 5//4 6//4
f 1//4 6//4 2//4
f 2//1 6//1 8//1
f 2//1 8//1 4//1