Simple Smooth Spool Holder
by makecoolthings, published
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2017/02/01: I've been meaning to do this for a while, but I've had a lot of projects going on, as part of my return to actively designing for Thingiverse, I'm going to update my first (And very popular!) Thing.
First and foremost, I'm going to remake it in Fusion360, because I'm transitioning over from Inventor. But I'm also going to incorporate the very common sense feature included in dara's remix design; namely, making a single part that can be used as A or B...I don't know how I didn't think of it, I handle lots of items designed like that every day! Don't worry though, that'll be it, it'll be basically identical, just without the need to print two different parts. These are still fantastically simple spool holders, and I still use mine!
This is a spool holder I designed out of necessity back in March, not long after I got my printer. I consider it to be the first 'real' part I made. Print two sets of parts for one complete spool holder. You will need FOUR common 608 bearings, a.k.a. 'skate bearings'.
It uses standard bearings that most Makers probably already have a drawer full of and that makes the spool rotate super-smooth. It's also relatively fast-printing, and you can get away with printing it at as low a resolution as you'd like to make it go faster. (I'd recommend not skimping on infill though.)
It should fit any spool, so long as the flange of the spool isn't thicker than the width of the bearing... And out of 8 different spool types I have, I haven't found one that didn't fit. (Even a mini spool wasn't small enough to bottom-out between the bearings.)
CTC-3D Dual Extruder (Bizer)
0.25mm or larger
15% or more. Triangle pattern recommended.
There aren't any real fine details, so feel free to print this at the biggest layer height your printer and material can handle. I wouldn't recommend going any finer than 0.25mm just because it'll increase print times and all the layer ridges might make it harder to press fit stuff.
Triangle pattern infill is great for truss-like structural parts like this.
How I Designed This
How it came about...
I was putting my printer on 14-inch deep wire shelving, but it would only fit without the filament spools mounted on the back. I decided the thing to do would be to mount the spools on the shelf above, and run the filament down to the printer...so I'd need to make spool holders!
NOTE: I replaced the version 3 files with version 4, which has a feature I thought was unnecessary-- an additional 1mm lip --and removed from my original design. (Without it, spools with very thin rims might be able to come off the bearing.) This version is now identical to the ones I've been using with my printer for almost six months now, and as it turns out the difference in print times was entirely negligible anyway.
For one complete spool holder you need to print two sets of parts, and you will need four common 608 bearings.
Print two each of PartA and PartB.
Press-fit 608 bearings onto bosses on PartA. (Should be a tight fit.)
Press-fit PartA and bearings to PartB. (Should also be a tight fit, might not get them apart again.)
- MAKE COOL THINGS!
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Simple Smooth Spool Holder by makecoolthings is licensed under the Creative Commons - Attribution - Non-Commercial license.
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