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Penknife Handle — image 1
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Penknife Handle

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I had two things: A broken penknife on my desk, and a need to showcase the new Silver PLA…

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Model information

Category
Other Ideas
License
GNU General Public License v2.0

I had two things: A broken penknife on my desk, and a need to showcase some Diamond Age Silver PLA- preferably with something shiny. Like that knife blade. Ahah! I now have a light handle that fills my hand well and has a nice lanyard hole too.

This handle is configured to accept a 2.5mm x 25mm x79mm blade with a 6mm pivot hole. The OpenSCAD file is parametric though, so you can fiddle around to suit whatever blade you happen to have at hand or knock up in the forge.

Note that this picture shows a model that was printed using 0.35mm layers and a 0.5mm nozzle on a 10 year old Kiwi Mendel, the ancestor of the Prusas. Consequently yours should turn out looking much nicer! I still have the knife, which tells you a lot about the durability of PLA.

Instructions

Make sure the plastic that your printer puts out is up to the job. In particular, don't skimp on plastic around the pivot or you'll give yourself a nasty injury.

Secure the blade with an M6 washer on one side, thin M6 press nut on the other, and low-profile M6 bolt to act as the pivot. There is no spring or lock.

Category: Other

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