CAM     0 2.59881 7 -4.8 -89.9996   0 1 90  5

MAT	100 200 100	0.0	0.0 0.0 // 0
MAT	200 200 200	0.0	0.0 0.0 // 1

MAT	200 200 200 0 0 0	// 2 portal

pl	0 0 0	0 1 0	0

# long tunnel
po	-1.5 0 4.5	3 0 0	0 3 0	0	2
po	-1.5 0 -4.5	3 0 0	0 3 0	1	2

qu	-1.5 0 -5		0 3 0	0 0 10	0 1
qu	1.5 0 -5		0 3 0	0 0 10	0 1
qu	-1.5 3 -5		3 0 0	0 0 10	0 1


# small tunnel
qu	9.5 0 -1		0 3 0	0 0 2	0 1
qu	12.5 0 -1		0 3 0	0 0 2	0 1
qu	9.5 3 -1		3 0 0	0 0 2	0 1

# small tunnel entrance
po	9.5 0 1	3 0 0	0 3 0	0	2
po	-1.5 0 4.49	3 0 0	0 3 0	1	2

#small tunnel entrace behind
po	9.5 0 -1	3 0 0	0 3 0	1	2
po	-1.5 0 -4.49	3 0 0	0 3 0	0	2