Printable spool roller with 608ZZ bearings

by mano1979, published

Printable spool roller with 608ZZ bearings by mano1979 Jun 16, 2012

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Spool holder for fillament spools. It uses 608 bearings(22mm) instead of the 625.


The .STL file is for 86mm wide spools with a diameter of 160mm. If your spool has another size, use the .SCAD file instead and adjust to your needs.

Things you need:

4x bolt 8mm
4x nut 8mm
8x washer 8mm(inner diameter)
4x Bearings 22mm (608-ZZ)


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The STL is broken and cannot be sliced.

I made a similar one. If you don't have any bearings laying around then a simple printed roller on a smooth shaft will also work just fine. I used steel rod from a paint bucket handle. Was a tight fit so no need for any caps on the end to keep the shaft from falling out. A little oil on it and it spun nicely.

That is a good idea! Never thought of that. I never use a spoolholder though. My filament is too curly and too brittle.

Thanks. You had a very nice design. Mine had the frame to be cut to make things (Lazy and quick design process. :p) fit but it worked. If I put that up I will probably make a derivative of your base design and link to you. To clarify: by tight fit I mean that the sides are a tight fit so the shaft is held in place by itself, the roller is a loose fit so it spins freely on the shaft. But of course not to loose so that it wobbles.

I was pleasantly surprised how well simple things like plain steel rod (And bit of oil) worked for mechanical things. Of course bearings are very nice and better. But there is also such a thing as "good enough". And it's always a nice feeling to make something usefull from basically junk.

When scaling for a standard makerbot spool (75mm width) some nasty overhang is generated because the circles at the top and bottom go under the raised portion. I should crack open the SCAD to fix it but that's just too much effort.

Thanx for the parameric SCAD file. Helped me on my speel that was wider than avarage.