Filament as a Fastener ( the easy way )

by BrandonW6, published

Filament as a Fastener ( the easy way ) by BrandonW6 Jan 15, 2013



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Often it is easy to simply use filament as a connection pin, however it can be tricky and frustrating at times. I discovered a simple way to install pins. Use a drill!


OK., so this isn't really a "THING" per say. But its a method I find so useful, I just felt compelled to share it with the community.
Basically when I design parts, I often need to connect them together. Sometimes as hinges, or perhaps connecting two shells together. I find using pins made of raw filament is an easy way to do this. All you have to do is print some holes in your model and thread in some filament.
Easier than using screws, and if your already printing with it, your supply of filament is basically endless. You can then sand it flat and smooth as you finish your object. And its not even permanent.
Also often when I find an item that requires i find "Customs hardware" I am not likely to print it. But will lean towards 100% printable things. So its more appealing for that aspect as well.
Basically using filament is win win.

But using filament does have its problems. Getting the holes to fit "Just right" can be tricky. One drill bit is slightly too large, but one size smaller is a bit too tight. Often the filament will bend and break as you try to force it in. Forcing you to try to ream the hole larger and try again.

No Longer!
Chuck that filament pin into your drill and drive it in like a screw!
That's it! Its that easy, Wow what a time saver right??!

Couple of points:
-For a hinge, pre-drill holes for the loose and tight sides. You may want to send a filament all the way through the tight side first by itself. Then discard that piece, as being ground through the hole will narrow the end.
-Once your connection is made, its easier to snip the filament while still chucked in the drill.

Anyways, I hope you like this idea.
Comment if you have any other suggestions or ideas.

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I'll give that a shot. I suspect your right.

Heat up a large flat soldering iron (or a screwdriver blade with a lighter, etc.) and melt over the ends to basically create a rivet.
Love your idea, gonna do it a lot. Its cheaper then hardware too. (I have tough time finding m3 hardware around these parts)

Thats a good idea too!
I like using plastic or something printable wherever possible. I even have a project where I have printed latches with built in springs. Sure an ABS spring may not have the longevity, but I can always print more!

Very good idea!