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Print in Place Rubber Band Gun

3D model description

This is the reason I bought a 3D printer. I had been watching YouTube videos on how to make blow back action rubber band guns out of wood, which involved a lot of cutting, sanding, and assembly. I though that I could not only 3D print the gun, but also design it so that it prints all in one piece.
After a dozen failed prototypes this is the result. A four shot, blow back action rubber band gun that prints in place. No assembly, no glue, no screws just break off the supports and start firing.
I also have a high resolution version available for download as well, check out my other creations.

3D printing settings

Layer Height 0.2mm

4 shells

Infill: 30%

Supports: From build plate only, if using custom supports ensure that the rotor and its axle are well supported and remove any supports that extend in to the interior of the gun.

Orientation: Rotate the model 15 degrees towards the top of the gun as seen in the picture.

Print time: About 19 hours

You may need to sand the layer lines on the rotor for smoother operation.

  • 3D model format: STL



Hi, my name is Walt, I am an active duty United States Marine. Thanks for checking out my designs. If you want to see more of my designs and prints check out my Instagram @waltswoodworksand3dprinting, or watch my videos on YouTube @waltswoodworks3d.



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