Printed in PLA If you want to build in a motor you need to add ball bearings for the worm gear. I'm open to suggestions for motor and ball bearing types. The middle plate might therefore be added with different mounts. From the uploaded pictures you will see used ball bearings 14x8x4mm. Motor is 1:50 gear motor IGARASHI TYP 20G-50. It's slow but i runs with 2x 9V/109mA solar cells. 1x deck_base.stl 1x deck_bottom.stl 1x deck_middle.stl 1x deck_top.stl 6x leg_arm_bottom.stl 12x leg_arm_middle.stl 12x leg_arm_upper.stl 6x leg_control_al50_delta-30_r1_s1.5.stl 6x leg_gear.stl 6x leg_gear_washer.stl 6x leg_pin_bottom.stl 6x leg_pin_middle.stl 12x leg_pin_upper_middle.stl 6x leg_shell_big.stl 12x leg_shell_small.stl 6x leg_shoulder.stl 76x lock_washer.stl 1x optional_motor_belt_pulley.stl (only for motor) 1x worm_gear.stl (not scale, motor) or 1x worm_gear_scaling.stl (small scaling) 1x deck_bottom_worm_gear.stl (bearing, motor) or 1x deck_bottom_worm_gear_dummy.stl (no bearing, no motor)