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Drop in Paxtruder for MakerBot

by builttospec Nov 28, 2009
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Just wondering if there could be a printable version of this similar to the Printstruder?

"Printable MK5 replacement filament drive" by natetrue

This works great. I appreciate how easy it is to put together (and take apart). Together with the Mk 5 drive gear, it is really solid.

The only (minor) change I would make is to change the spacing of the bolt holes for the insulator retainer. Right now it follows the spacing on the large metal washer, where one hole is offset a little farther out. I'd use the spacing from the other pair of holes (equal distance apart), that way you can use things like the Makergear Groovemount instead of the insulator retainer.

Got my laser cut parts, my Delrin bar stock should arrive this week. I probably won't install this until the next time I need to floss my pulley.

looks good, will make one of these!

previous post should have my name on it ;)...

Nice and clean..
Just plug and play!

My piece of nylon came out pretty bad out of the lasercutter..
Had to redo it by hand.
Probably Delrin is a bit better..

Can't we cut out a washer and bolt it up on a M3 rod?

Looks great! I like how you doubled up on the screws at the bottom (two for the washer and two for the retainer). If you throw a thumb screw cap on the end of the pusher screw, you'll need fewer tools. Email me your address, I'll send you a few.