Quick Change Spindle for 1lb filament spool

by murat, published

Quick Change Spindle for 1lb filament spool by murat Nov 8, 2011


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As the name implies, this spindle has collapsible hooks to facilitate quick change of filament spools.


Print 1 hub, 3 hooks and 1 hanger. Bolt the hooks as shown in the pictures. String a rubber band through the C shaped channels and it is ready. Turn all hooks upright for loading. The hooks will stay that way unless one of them flips the other way; they are just over an unstable equilibrium point. Once the spool is in place, flipping one of the hooks into position will make the others follow.

The hanger snaps in the hub. You can now hang the spindle to the Ultimaker. Sorry for delaying the availability of the hanger.

Improvement suggestions are welcome and appreciated.


Inventor files (*.ipt) are now available.

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Much nicer than a design i was thinking of. I think mods would be for 5lb spool, and 608 bearing. Maybe a hook for extension springs vs a rubber band.

Very cool I am using this spindle and about to print another one because the one I have printed is broken.. The one issue I have with it is I find myself wanting the U-shaped pieces to be longer, so that I can accommodate filament with a bigger coil diameter.

The clip also attaches nicely to wire shelves.

Brilliant! I wanted to make a small modification to the hub to adapt it to my setup but, alas, the .ipt files can't be read by my older version of Inventor. Any chance you could post .stp's?

I was a bit busy and couldn't visit the site. Anyway, I just uploaded the STEP files. Enjoy!

There is an extra hole that isn't in the pics on the spokes. what is it for? Awesome design btw! just finish printing it

The extra hole on the spokes is meant to secure the end of the filament. This could impose a larger curvature to the spool unless you bend the filament...

Also this is one of the most ingenius things i've seen on here

All Rights Reserved, huh? Lame! I made a bushing to adapt this to fit an 8mm rod and was going to derive it, but oh well! :(

Please do derive. A habit of mineof starting anything legal with conservative settings...

Thanks, will do. Just a minor update!

the diameter of my 1 lb filament packages is at least an 3-6 cm wider than the prongs reach in each direction. I like the design, but short or rewinding the spool (which I hope to avoid), I don't believe it will work for me unless the hub has significally longer arms.

elegant design though, but may need some scaling for sources of filament. perhaps you can upload scad files so it can be scaled? thx.

The model was built in AutoDesk Inventor. I'll post the Inventor files when I get a chance.

How are you attaching this to your printer? Is there a center rod that you're using?

Sorry, it took me a while to design the hanger, partly because I quickly started using the spindle with a woden dowel, and partly because I couldn't spare the time.


Thanks for uploading it! Love the design :)

Where have you been all my life? Awesome!

Wow, just when I'm almost done printer a different spindle that's not nearly as good looking as this one. Nice work!