Advice On Retraction and Other Issues PETG

Bambu Lab A1 Series Troubleshooting
1

Hey Everyone,

I’ve had my Bambu A1 for some time now and it’s been awesome, but I’m having issues with dialing in PETG (Overture PETG) and could use some advice.

Here’s what the first layer looks like:

IMG_4138
IMG_41381920×2560 263 KB

These are my current settings:

  • 40 mm/s initial layer speed
  • 70mm/s initial layer infill
  • 200mm/s outer wall
  • temp @ 260/265 C
  • 5-40% fan speed
  • 1mm retraction
  • z hop enabled
  • z hop when retract: .3mm

Any help would be appreciated! Thank you

2

To add to this, I’m noticing some lines (benchy hull line) that are pretty significant on taller prints.

3

Looks like the feed rate is too high? Is that bubbly looking if you look at it from the side?