Stiffer X-End for Prusa Mini with square nuts
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This adds multiple screws and threads to the x end to give it better stability.
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Updated at source:
Model information
- Source
- Printables
- Category
- Prusa Parts & Upgrades
- License
- GNU General Public License v3.0
The X-End is the part I find myself adjusting all the time for a level bed. This mod adds more stiffness and gives a proper thread for all screws. You can also easily pull out the pulley to the front, in contrast to the original prusa part.
Pros:
- Stiffer in all directions, less twisting
- better long term stability (should hold alignment better)
- can take out the Pulley easily (if you want to change something on the x carriage you don't have to remove the X-End)
- less wear as all screws have metal to thread into
You need:
- 6 x M3 Squarenuts (2 should be in the old part)
- 4 x M3 8 mm cylinderhead screws
- The other things from the original part
As always: don't overtorque or you will break the part, even though this is fairly stable in PETG.
Important for assembly: The part where the cylinder head screws sit protrudes a little bit to accomodate 8 mm screws. This part has to face the back side where the part cooling fan is or the X-Carriage can crash into the part (see photos). If you really want the screws on the other side, you could modify the part and use shorter screws.