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VFA or not ?  

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docsascha
(@docsascha)
Trusted Member
VFA or not ?

Hi

Printing a model in PRUSAment PetG using 0,2 structural setting with an HF 0,4 hardend steel nozzle 

Gantry symmetry is as expected and I tried to set belt with new wizard and Tuning app on iPhone

Input shaper and phase stepping is calibrated using the Prusa accelerometer 

Must confess that I still don't really have much love for the belt tuning app or the new wizard

Looking at the print I thing there is still some VFA,

What are you thinking and if yes how to get rid of it

Sascha

Posted : 21/01/2026 9:03 am
Diem
 Diem
(@diem)
Illustrious Member

Borderline, try slowing the print a little.

Cheerio,

Posted : 21/01/2026 11:47 am
1 people liked
docsascha
(@docsascha)
Trusted Member
Topic starter answered:
RE: VFA or not ?

Since this doesn't show in balanced setting, it seems to be a result of reduced speed already 

Posted : 21/01/2026 12:42 pm
jan.d.slay
(@jan-d-slay)
Estimable Member
RE: VFA or not ?

 

Posted by: @diem

Borderline, try slowing the print a little.

Cheerio,

Either that, or/and reduce the acceleration values.With some PETG types I had, this was always a setting that brought visible improvement.PS: Be careful—the printing will slow down, so don't be surprised.

My printables
Prusa XL - Quick Start Gcode
Posted : 21/01/2026 12:46 pm
1 people liked
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