Prusa mini periodic vertical artefact

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Dzym Fardreame...

(@dzym-fardreamer)

Active Member

Prusa mini periodic vertical artefact

I recently got some prusa minis but I have been unable to get good results. There is some kind of vertical pattern that repeats every mm or so.

This file has been working perfectly on the prusa mk3s and my two mini printers are giving the same kind of artefacts, just in one is way less visible that in the other printer.

My original though was maybe the bolts fixing the x axis to the bed were loose and moving so I tried to tighen them. The results some want improved but they are still very visible giving non aceptable results.

The problem is that it is the first time I see these kind of artefacts and I am not really sure were they can be comming from...

Any ideas or suggestions of what could be going on?