g light1
v -1.45557678 -0.737959146 -6.2426281
v -1.45557678 -1.51559985 -6.2426281
v -0.544340134 -1.51559985 -6.2426281
v -0.544340134 -0.737959146 -6.2426281
vt 0.998187661 0.996625185
vt 0.998187661 0.500779867
vt 0.00188237429 0.500779867
vt 0.00188237429 0.996625185
vn -0 0 -1
vn -0 0 -1
vn -0 0 -1
vn -0 0 -1
g light1_0
f 3/3/3 2/2/2 1/1/1
f 4/4/4 3/3/3 1/1/1