by Zaggo, published
This is what I came up with.
Please note, that there are two flavors of the main part ("Motor Block"):
This design is for use with the standard timer belt pulley, which comes with the MakerBot Extruder MK3/MK4.
This design is for use with a 10mm worm-gear style pulley
You only need one of both. Be sure to print the correct one!
The PCB holder parts are optional.
There's a post on my blog on this with more detailed information and step-by-step build instructions:
In order to mount the Printruder II in a MakerBot, you might want to print also a pair of Printable Extruder Holders: thingiverse.com/thing:1912
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Great work! I just assembled my printruder II but the 626 idler bearing doesn't fit into the standard MK4 pulley. I'd say it only works with a worm gear pulley...
going to give this one a try tonight
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- print the Idler Block part
- (Optional) Print the PCB holder parts
- Follow the step-by-step instructions at pleasantsoftware.com/developer/3d/2010/03/08/printruder-ii/ to assemble the whole thing.
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