g pPlane1
v -1273.55566 0 1273.55566
v -1273.55566 0 -1273.55566
v 1273.55566 0 -1273.55566
v 1273.55566 0 1273.55566
vt 0 0
vt 0 1
vt 1 1
vt 1 0
vn -0 1 0
vn -0 1 0
vn -0 1 0
vn -0 1 0
g pPlane1_0
f 3/3/3 2/2/2 1/1/1
f 4/4/4 3/3/3 1/1/1