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The original was posted on /r/functionalprint by /u/ropergames2 on 2025-06-25 23:57:26+00:00.

Original Title: I 3d printed a rolling knife sharpener because the reviews on a real one weren’t good. It is also very expensive to get a real one. It also works really well, and doesn’t use magnets, which I do not have. I’m very proud of this as it’s my first actual functional print!!