Wobbler Motor runs on less than 4psi compressed air

Here are the plans on my take on a wobbler/steam motor. Old technology brought back to life with today's technology. It runs on compressed air instead of steam. Only about 4psi to run once it is broken in. You can use thick silicone oil as lubricant. RC shock oil works great.

Works better printed in PETG as PLA can overheat/warp and possibly friction weld. All printable with no support (except exhaust). I have included the fabrication plans for anyone wanting to design their own using my dim