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4-digit combination lock

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Creation quality: 5.0/5 (1 vote)
Evaluation of members on the printability, utility, level of detail, etc.

  • 6.5k views
  • 13 likes
  • 17 downloads

License
3D design format
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  • 0.stl
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  • 8.stl
  • 9.stl
  • lock case.stl
  • lock shackle.stl

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Publication date 2022-03-19 at 20:22
Design number 669182

3D printer file info

3D model description

This is my favorite design I have made yet. It is fully 3D Printed and does not require any hardware or fasteners, and also requires no sanding or adjustments to make it work. It has a 4-digit combination that you can customize, and it is quite difficult to pick open.

*note: The Cults3D website does not properly render the number wheels, but it does work fine in slicers and does print.

3D printing settings

I used 0.15 mm layer heights for all the pieces, except for the lock body, which I used 0.3 mm layer heights for. I used 3 perimeters, and 15-20% infill. I did all printing on my Ender-3 V2, and even with only PLA, the design is decently sturdy.

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