3DPrinting

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3DPrinting is a place where makers of all skill levels and walks of life can learn about and discuss 3D printing and development of 3D printed parts and devices.

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I Designed a 3D Printable Balisong Knife (lemmy.world)

submitted 11 months ago by [email protected] to c/[email protected]

23 comments fedilink hide all child comments

We've been having a good old time with this over on the Pocket Knife community, but I figure there's probably a lot of crossover with this crowd as well.

I'm sure you've seen various clever little one piece utility knife blade holders on Thingiverse and so forth, and while they're quite functional I don't think they're nearly as overwrought or silly enough, nor require quite enough components.

Rather than repeat my entire post from there over here, I'll leave you with these:

Link to Project Annoucement

Link to .STL Files And Assembly Instructions

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[–] [email protected] 5 points 11 months ago (1 children)

Two pins go through the notches in it. It's not going anywhere.

That green one is my initial prototype and I've been pretty much continuously fidgeting with it at my desk since I printed it maybe two weeks ago. I have flipped it open and shut probably a couple of thousand times by now -- no exaggeration -- and the blade hasn't budged.

[–] [email protected] 2 points 11 months ago* (last edited 11 months ago) (1 children)

Is there like a lip or ridge on the top too that prevents the blade from flying backwards while flipping? I see it on the bottom of the blade, but can't tell if the top is also secured that way

[–] [email protected] 8 points 11 months ago

It rides in a track that encloses the top and bottom edges by a couple of mm.

The rear has an end stop, also. It can't fly in any direction, and the only way it's going any time soon is out the front if you press down the flexture that has the locking pins on it.