Nozzle hits bed alignment screws for large print during skirt print
 
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justin-2
(@justin-2)
Active Member
Nozzle hits bed alignment screws for large print during skirt print

I have a print that it near the maximum print size. When the skirt outline is being printed the extruder nozzle bumps on the print bed alignment screws. It causes the skirt to have a dip on the y-axis and can't be good for the nozzle/bed alignment screws. I would expect Prusa Slicer (v. 2.2.0 Linux) to prevent this. I am attaching the Prusa Slicer file.

Project file: https://drive.google.com/file/d/11HBw04rbSx_dJZRZpkt5hjWlMT0mv0iD/view?usp=sharing

Posted : 27/07/2020 8:43 pm
kimwo
(@kimwo)
Active Member
RE: Nozzle hits bed alignment screws for large print during skirt print

I had the same thing a few weeks ago - trying to print a box which was X - 179.91mm Y - 179.92mm Z - 44.33mm

I was going to remove the alignment screws and reduce them a bit by adding a washer.  However I found that if I reduced the

PrusaSlicer setting in "print settings -> skirt and brim -> skirt -> distance from object"  to 1mm (from 2mm) it was no longer a problem.

I still think the alignment screws should be just a bit shorter.

Posted : 29/07/2020 10:33 am
justin-2
(@justin-2)
Active Member
Topic starter answered:
RE: Nozzle hits bed alignment screws for large print during skirt print

Is anyone from Prusa patrolling the forums? Should I email them instead?

Posted : 30/07/2020 2:54 pm
Crawlerin
(@crawlerin)
Prominent Member
RE: Nozzle hits bed alignment screws for large print during skirt print

@justin-2

Best bet would be opening issue on GitHub, either for MINI firmware or Prusa Slicer. Or contact support via chat, but if you consider this to be slicer issue that it needs to warn, GitHub is really place to go.

There are people patrolling forum and relaying information, for example @Zoltan as one of admins.

Posted : 30/07/2020 3:34 pm
justin-2
(@justin-2)
Active Member
Topic starter answered:
RE: Nozzle hits bed alignment screws for large print during skirt print

@crawlerin

Thank you! Will check out their github page.

Posted : 30/07/2020 3:37 pm
justin-2
(@justin-2)
Active Member
Topic starter answered:
RE: Nozzle hits bed alignment screws for large print during skirt print

For reference: https://github.com/prusa3d/Prusa-Firmware-Buddy/issues/738

Posted : 12/08/2020 3:14 pm
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