v 1 0 0
v 0 0 1
v 0 1 1
v 1 1 0
v -1 1 0
v -1 0 0
v 0 1 0
v 0 0 0
v 0 1 -1
v 0 0 -1
v 1 1 -1
v 1 0 -1
v 1 1 1
v 1 0 1
v -1 1 1
v -1 0 1

m 0.8 0.8 0.8
l 1 1 1
f 5 15 16 6

l 0 0 0
f 9 7 8 10
f 8 2 14 1
f 4 11 12 1
f 1 14 13 4
f 1 12 10 8

f 8 6 16 2
f 2 16 15 3
f 3 13 14 2
f 3 15 5 7
f 7 4 13 3
f 7 9 11 4

f 7 5 6 8

f 11 9 10 12