g S_patch2
v -37.1556435 0 37.1556435
v -37.1556435 0 -37.1556435
v 37.1556435 0 -37.1556435
v 37.1556435 0 37.1556435
vt -0.997482777 0.75943774
vt -0.997482777 0.999811411
vt -0.754778266 0.999811411
vt -0.754778266 0.75943774
vn -0 1 0
vn -0 1 0
vn -0 1 0
vn -0 1 0
g S_patch2_0
f 3/3/3 2/2/2 1/1/1
f 4/4/4 3/3/3 1/1/1