here
p	-0.1	-0.01	-0.1
p	0.1	-0.01	-0.1
p	0.1	-0.01	0.1
p	-0.1	-0.01	0.1

p	-0.1	0.01	-0.1
p	0.1	0.01	-0.1
p	0.1	0.01	0.1
p	-0.1	0.01	0.1

mtl kivi
f 0 1 2 3
f 4 5 6 7

f 0 1 5 4
f 1 2 6 5
f 2 3 7 6
f 3 0 4 7