model://ground_plane model://lamp_post -3 -3 0 0 0 1.570796 model://ladder_60deg_0rails 0 0.15396 0.266667 0 -0 0 0 1 3 0 0 0 0.5 0.5 0 0.05 1 1 1 1 0.5 1 1 -0.2 -3 9 0 0 0 true unit_sphere::only_link contain_example 0 -3 0.5 0 0 0 4 4 1