here
p 0 0 10
p 0 5 10

p 7.071067 0 7.071069
p 7.071067 5 7.071069

p 10 0 3.139165E-06
p 10 5 3.139165E-06

p 7.071071 0 -7.071064
p 7.071071 5 -7.071064

p 6.27833E-06 0 -10
p 6.27833E-06 5 -10

p -7.071062 0 -7.071074
p -7.071062 5 -7.071074

p -10 0 -9.417495E-06
p -10 5 -9.417495E-06

p -7.071075 0 7.07106
p -7.071075 5 7.07106
mtl pronks
f 0 1 3 2
f 2 3 5 4
f 4 5 7 6
f 6 7 9 8

f 8 9 11 10
f 10 11 13 12
f 12 13 15 14
f 14 15 1 0

f 1 3 5 7
f 1 7 9 15
f 9 11 13 15