Coin Pocket Utility Knife

This is an edc box cutter that uses standard utility knife blades and will fit in the coin pocket of your pants.
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updated March 1, 2024

Description

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A printable knife made with the following design goals:

  • use standard and interchangeable utility knife blades
  • as small as possible
  • operate with one hand
  • “lock” open and close
  • reasonably strong
  • simple and easy to print

Print Settings

I use the following…

  • petg @ 0.12mm
  • no support / brims
  • note the orientation in the photos screenshot
  • the sliding action will feel a bit rough at first, but smooths out with use (a little dab of silicone grease helps a lot) 

Updates

  1. Mar 2024 (v2): cleaned up the models, improved tolerances, added keyring hole, better retention of blade holder when applying a lot of downward cutting force 

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