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Compact Utility Knife

3D model description


The goal of this project was to make a simple and clean utility blade holder. This utility blade holder is quick printing (20 minutes), lightweight, and strong. When no other option is available, this should work in a pinch. Version 2 blade will fit tightly.

The ability to use nuts and bolts is optional. Provided you allow the blade to be a permanent part of the knife, you can use ABS slurry to glue in the pins.

Version 1 is pictured. Please note different handle cutout.

Version 2 holds the blade slightly on bottom to prevent falling out.

Featured picture credit to CatoNatta.

Parts List

  • Body
  • Pins
    Hardware (optional) (all available from McMaster-Carr):
  • 2 x M3 Nuts ([hashtag 90685A037])
  • 2 x M3 7mm Screw ([hashtag 91290a115]/)
    Read assembly instructions for more details.
    Not for use on people. Do not use as weapon. I am not responsible for your recklessness with this thing.
    Change List
    v1: Initial release
    v2: Handle cutout changed. Under-blade holder added.

3D printing settings

Print body with butt of knife on platform. 10% fill, 2 shells should be fine. Print filled for a stronger knife body. Finish by attaching pins to body, and gluing with ABS slurry. Alternatively, use M3 nuts and bolts.

  • 3D model format: STL





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