Just add some or more fan on overhangs, petg looks much nicer that way ( worse layer adhesion)
this post was submitted on 09 Jul 2025
14 points (100.0% liked)
3DPrinting
18913 readers
27 users here now
3DPrinting is a place where makers of all skill levels and walks of life can learn about and discuss 3D printing and development of 3D printed parts and devices.
The r/functionalprint community is now located at: or [email protected]
There are CAD communities available at: [email protected] or [email protected]
Rules
-
No bigotry - including racism, sexism, ableism, homophobia, transphobia, or xenophobia. Code of Conduct.
-
Be respectful, especially when disagreeing. Everyone should feel welcome here.
-
No porn (NSFW prints are acceptable but must be marked NSFW)
-
No Ads / Spamming / Guerrilla Marketing
-
Do not create links to reddit
-
If you see an issue please flag it
-
No guns
-
No injury gore posts
If you need an easy way to host pictures, https://catbox.moe/ may be an option. Be ethical about what you post and donate if you are able or use this a lot. It is just an individual hosting content, not a company. The image embedding syntax for Lemmy is 
Moderation policy: Light, mostly invisible
founded 2 years ago
MODERATORS
Have you dried your petg recently?
I find PETG varies a lot. First thing I always do to troubleshoot is print same thing in pla to see if it's a material issue or not. If so, try temp towers with that spool to see what temp gives you best overhang. I have a blue PETG that looks just like that, and in my experience those cool translucent PETG spools are more finicky then matte finish versions for some reason too.
Assuming prusaslicer, go to print speed settings, and look for "slow down on overhangs". Also, under filament > cooling, there's an option to increase fan speed on overhangs.
You can use the top left menu on the layer view to check that the fan and print speed are actually adapting properly to the overhangs.
I'd print it on the side, will make it stronger anyways. Less likely to lose layer adhesion.
Edit: never mind, I think this is a print in place moving piece?
Try decreasing your nozzle temp, might just be too soft.