Filament Pulley for Rostock 3D Printer

by mm-cnc, published

Filament Pulley for Rostock 3D Printer by mm-cnc Nov 9, 2012


Pulley for my wooden rostock variation. It's made for 0.5mm Dyneema.

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advertizing your own stuff without any facts is a bit rude, isn't it?

Don't you think, that this is a comparism between apples and pears? ;)
The sharp edges of the aluminium part will add much more stress to the fishing line. Just give it a try before bad-mouth something.

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You can insert 2 M3 nuts to fix this pulley on your stepper.
The inner hole for the Dyneema Line goes curved arround the hole for the stepper.

The initial idea did not work. To less windings.
I use it now with only two windings arround it and not going trough the middle hole. Works great with the right tension.

In normal use, you can only travel 300-400mm


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snake233 on Nov 21, 2013 said:

i would use this one. is better:


you dont need to think about overlapping by using a fishline with diameter under 0,15mm....

hungerpirat on Feb 12, 2014 said:

advertizing your own stuff without any facts is a bit rude, isn't it?

mm-cnc on Nov 22, 2013 said:

For sure the one you posted isn't better. Have you ever tried my design? I use it since 2000 printing hours on my Woodstock/Rostock printer. The perfect guide reduces the stress for the fishing line dramatically.

the_sparklab on Oct 19, 2013 said:
mm-cnc on Oct 19, 2013 said:

Thanks! Its so nice to see that people use my design.

philtrum on Oct 14, 2013 said:

These look great and im getting some printed for my 3d printer im building, im going to have to try and make some longer ones at some point as i need more travel for the tall rostock printer im building, any advice ?

mm-cnc on Oct 18, 2013 said:

For more travel you can use those:


gungn1r on Dec 17, 2012 said:

I'd like to see the setup your using to hold these pulleys. Is the performance of this comparable to that of a hobbed driver? Cool idea man.