model://sun model://ground_plane active_hammer model://hammer 0 -8 2 0 0 0 false static_hammer model://hammer 4 -8 2 0 0 0 true active_drill model://cordless_drill 0 -4 2 0 0 0 false static_drill model://cordless_drill 4 -4 2 0 0 0 true active_pendulum model://double_pendulum_with_base static_pendulum model://double_pendulum_with_base 4 0 0 0 0 0 true active_pr2 model://pr2 0 8 0 0 0 0 model://pr2 4 8 0 0 0 0 true