this post was submitted on 26 Jan 2024
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I built my 3D printer a couple of months ago, but I can't get it to print sharp corners. The corners in the picture should be 90°, without any fillets:

During this test print, I played with multiple parameters: speed, temperature, acceleration, junction deviation, linear advance. All of these were also individually tuned previously. Nothing seems to make a difference.

Could this be a issue with the construction of my printer? I'm beginning to think my hotend isn't rigid enough, but then I would at least expect better results at low speeds.

Edit: the printer is a CoreXY of my own design running Marlin 2.1.2.1. The Slicer is PrusaSlicer with most settings left as default (but increased speeds)

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[–] elDalvini@discuss.tchncs.de 1 points 5 months ago (1 children)

Tightening the belts seems to have helped, but I will have to do some more printing to be sure. Thanks for your help!

[–] rambos@lemm.ee 1 points 5 months ago

Great to hear that