g S_start_Fly_up
v -50 -1.11022302E-14 50
v -50 1.11022302E-14 -50
v 50 1.11022302E-14 -50
v 50 -1.11022302E-14 50
vt 0.5 0
vt 0.5 0.5
vt 1 0.5
vt 1 0
vn -0 1 0
vn -0 1 0
vn -0 1 0
vn -0 1 0
g S_start_Fly_up_0
f 3/3/3 2/2/2 1/1/1
f 4/4/4 3/3/3 1/1/1