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A 1/24th scale version of a pneumatic jack. The jack is fully functional with rolling wheels, spinning back casters that also roll and up and down articulation. Even the lift plate rotates.
These are functional upon printing and move very easily if they are soaked in isopropyl alcohol for 20 minutes (longer than an hour leaves a white film). This cleans off the suspension medium sticky fluid wax. If the stops for various heights no longer work, a little paint or vasoline on the stops in the back will bring them back