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Prusa i3 compact extruder

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  • compact-extruder-jhead.stl
  • compact-extruder-jhead_repaired.stl

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Publication date 2022-12-18 at 20:14
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Published to Thingiverse on: 2013-04-27 at 23:19
Design number 968463

3D printer file info

3D model description

Not created by me but by sgraber, adapted from a design by Kliment.

Best way to get it is from the source: https://github.com/sgraber/i3ext

But some people asked me to provide a simple printable version so here it is.

You can see it working: http://www.youtube.com/watch?v=fu9SWw5dcGk

3D printing settings

The provided STL file contains the four pieces that make the extruder. Besides that, you will need:

a piece of M5 rod, 62mm long.

one nut (locking-nut is best, but a drop of super-glue worked for mine)

two 625 bearings

a drive gear

a 608 bearing and 20mm M8 rod for the idler.

a j-head hotend

two 30mm M3 screws and nuts for fixing the hotend.

Please note the small gear is for a shaft with a flat. It will pressure fit without needing grub screw. If your motor does not have a flat you will need to drill to size the gear bore so it becomes round.

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