mtllib 3D.mtl

g Mesh1 Group1 Model

usemtl 3D1
v 147.466 167.008 2.14799
vt 0.994602 1.99337
vn 0 0 1
v 27.466 77.0081 2.14799
vt -0.00539784 0.993365
v 147.466 77.0081 2.14799
vt 0.994602 0.993365
f 1/1/1 2/2/1 3/3/1

v 27.466 167.008 2.14799
vt -0.00539784 1.99337
f 2/2/1 1/1/1 4/4/1

g Mesh2 Group1 Model

g Mesh3 Group2 Model

usemtl 3D2
v 147.466 167.008 2.84217e-14
vt 1 1
v 27.466 77.0081 2.84217e-14
vt 0 0
v 147.466 77.0081 2.84217e-14
vt 1 0
f 5/5/1 6/6/1 7/7/1

v 27.466 167.008 2.84217e-14
vt 0 1
f 6/6/1 5/5/1 8/8/1

g Mesh4 Group2 Model