g ristar_shadow
v -50 0.933151245 50
v -50 0.933151245 -50
v 50 0.933151245 -50
v 50 0.933151245 50
vt 0.00199203193 0.00199203193
vt 0.00199203193 0.998007953
vt 0.998007953 0.998007953
vt 0.998007953 0.00199203193
vn -0 1 0
vn -0 1 0
vn -0 1 0
vn -0 1 0
g ristar_shadow_0
f 3/3/3 2/2/2 1/1/1
f 4/4/4 3/3/3 1/1/1