SIG 510 / Swiss Army Stgw57 (Sturmgewehr 57) Breech Box

Breech Box for SIG 510 / Swiss Army Stgw57 (Sturmgewehr 1957).

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Update 10 December 2024:
I added a version with a lock, so cover and box will not fall apart when you lift the cover only. You will need supports for printing this version of the cover (see slicer picture), but probably not for printing the box. The handle around the lock lever limits the movement of the lock lever, so you won't break it.

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I printed it with one peripheral, two bottom and and two top layers and 15% infill, and it seems to be stable enough this way.

As always I am including the OpenSCAD source file for you to adapt and/or improve:

• Install OpenSCAD from https://www.openscad.org
• Launch OpenSCAD and open the enclosed OpenSCAD source file (/File/Open).
• Amend the parameters at the top of the file or even amend the code.
• Save your changes (/File/Save).
• Render the design (/Design/Render).
• Export the rendered design e.g. as a .stl file (/File/Export/Export as STL).
• Slice and print.

See my other designs at
https://www.thingiverse.com/thinger13/designs