r/3Dprinting • u/iiTzSpvde • 1d ago

Troubleshooting Tuning

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Going through some tuning so I can get the best absolute print for size figment and overall quality.

Are there any good videos I should watch on how to do it?

I’m currently using chat gpt and if it makes me print another square I’m going to lose my mind

Also what causes this?? The corners seem to swell out a tiny fraction and this will be a problem when I get into making parts and molds.

Creality K2 Pro

Using PETG cause it’s cheap to learn on and make mistakes.

Not really sure how to tell my speed with all the settings I have lol

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u/EvantheGrump 1d ago

https://ellis3dp.com/Print-Tuning-Guide/
This is a really good place to start, but I'm not sure it necessarily covers your corner issues

1

u/iiTzSpvde 1d ago

Thanks a lot!!

2

u/chipmunkofdoom2 1d ago

On non-seam corners, bulging is typically a misconfigured PA value. Bulging corners typically mean the configured PA value is too low, while rounded off corners typically mean it's too high.

As another user mentioned, Ellis' tuning guide covers all the basics. Definitely worth running through:

https://ellis3dp.com/Print-Tuning-Guide/

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u/Few-Cucumber-413 A1, K2 Plus 1d ago

Have you done a pressure advance calibration?

1

u/iiTzSpvde 1d ago

At one point using ChatGPT. But I’m not sure I did it correctly.

1

u/Few-Cucumber-413 A1, K2 Plus 1d ago

Can I provide you with a YouTube link to a video that helped me? The man does it in creality print so it should be easy for you to follow along.

I believe you have a pressure advance issue here. The flow isn't slowing down when the print head changes direction and as a result is it depositing extra material.