3D printing Star type three cylinder pneumatic engine

thingiverse

Sorry, it's a test item, so it's not suitable for novices. It just works. I want to thank two people first. It was their work that inspired me. Slava_Z yuris。 https://youtu.be/TJNK66PdgK0 I upload step. For reference. I use 5hour to drow it.There are a lot of design errors, but fortunately it works. I'll upload it for a while, and then I'll write instructions when I have time. 7 19stl is a 10ml syringe. I use diamond blades to cut them. The cylinder and piston are also 10ml syringes. You need two syringes enough. Five more small bearings are required. 2x5x2.5 x3 6x15x5 x2 One M2 screw 25 mm long. M3 screw 40 long. 14 roots M3x10 or m3x16 3. Seal ring 8x1.5 x3 It takes a lot of brains to install. 6x15x5 Put it in when printing