Direct drive mini extruder for Mini i3 by misan 3d model
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Direct drive mini extruder for Mini i3 by misan

Direct drive mini extruder for Mini i3 by misan

by Thingiverse
Last crawled date: 3 years ago
I do love Kliment/Josef's compact extruder and I have made some variations myself that work pretty well.
However, I was a bit disappointed of the small useful area I was getting from my Mini i3 due to the big size of compact extruder.
This is a small direct-drive extrude for j-head hotends. Please note it is not a good choice if you want to use it at any speed above 40mm/s with 3mm filament. It can do 100m/s for 1.75mm filament.
Now I can get 120x120mm out of my Mini i3, though it has become a slower printer. Perhaps with 1.75mm I will get it up to speed.
I am not sure the 625 bearing for the motor shaft is needed but it seems to cause no harm.
Lever and spring support, in orange in the pictures, come from http://www.thingiverse.com/thing:43411

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