fully 3d printable pressurized air pneumatic engine, Runs as low as 5 psi - R&D Project - Assembly Instructions IncludedThis is an air engine I designed and tested, fully functional and 3d printed. IF you have a 3d printer and want a cool project, then this is for you!

You'll need to purchase some fasteners and O-Rings to complete this Project, most of which you can find on online shops and in store. Purchasable fastener pack pending...Below is the part list needed and some specs (for those who are interested)

Small O–Ring (ID x CS): 5x2mm (1x)Medium O-Ring (ID x CS): 20x2mm (1x)Large O-Ring (ID x CS): 27x3mm (2x)

Air Fitting 1/2" NPT Thread

SHCS - M3x10mm (6x)SHCS - M3x20mm (1x)SHCS - M4x10mm (8x)SHCS - M4x15mm (1x)SHCS - M4x20mm (14x)SHCS - M4 Nut (14x)

Metal Ball Bearing 6mm (1x)

Allen Wrench (M3, M4)Sandpaper (rough and fine)Deburring Tool (optional)Silicone lubricant (optional)

Spring OD =5.5mm, length = 4mm (cut to size)(the spring will need to fit around the M3 SHCS treaded portion)

This is a cool project and I hope to see someone get their imagination sparked by this. Have fun and happy building!

DISCLAIMER: This Project requires the use small parts which can pose a hazard. Also, this contains FILES that are to be used to 3d print parts on your own printer, not mine. There is no physical items that come with this purchase. Do not print to sell, or sell the digital files.