g shadow
v 0.0684007257 -10 0.106848143
v -6.13894129 -10 0.106848143
v -6.13894129 -10 -6.10049343
v 0.0684007257 -10 -6.10049343
vt 0 1
vt 1 1
vt 1 0
vt 0 0
vn -0 1 0
vn -0 1 0
vn -0 1 0
vn -0 1 0
g shadow_0
f 3/3/3 2/2/2 1/1/1
f 4/4/4 3/3/3 1/1/1