Utility Knife Ghetto 3000 - 2 pieces only (source .scad included)
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This utility knife consists only from 2 parts which you assemble together by applying extensive force and sweat.
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- Printables
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- Tools
- Licencja
- Creative Commons — Attribution
I challenged myself with designing a relatively common-looking utility knife that would consist of only two pieces. I also wanted the model to cover the sharp part of the blade from both sides to avoid accidental cuts.
If you compare this to the wildly popular Utility Knife - F1 Gen.2 which consists of three parts which are sometimes pain to assemble together having just two pieces should be better right? The downside is that the assembly is a little puzzle.
Material: PETG
I haven't tried PLA, I think it might not be sturdy and flexible enough for the assembly.
Infill: The more the better (100%)
Seams:
hand-paint the seams on the blade holder as shown in one of the pictures (ghetto_3000_print_1.png) for better results. Strategically placing the seams in this location ensures the knife blade fits better into the holder part.
Supports: optional
you can try tweaking the placement of the supports at the end of the knife body as shown in the picture (ghetto_3000_print_2.png)
if you print without supports, expect the bridged part to sag a little bit, you'll have to file it away after print
Assembly:
insert the blade into the blade holder
carefully slide the blade holder into the handle - see attached pictures - the handle piece should give way thanks to the flexibility of the material. Marked spots are places where the blade holder should slide into the knife body.
The source .scad file has optional switch to generate 'cool' looking handle that looks better than the default boring shape.
Something doesn't fit as expected? Tweak the attached .scad source code ! And report back with results.