Been using prusaslicers default PLA profile with issues and this is my first roll of PETG, so I just selected the corresponding profile for that.
It seems so be super stringy whenever there’s movement and when printing the bunny (in vase mode) there’s lots of holes in the model.
I’m not sure if this is an issue with calibration (didn’t do anything when switching from PLA) or if the filament is wet.
Do a temp tower. Find one hottest to coolest (260 to 220) and see where the sweet spot is. Going coolest to hottest could cause clogging.
And when in doubt make sure you PETG is dry. Likes to pull in the moisture. Tell-a-tale is popping and hissing.
Others: correct if I’m wrong but black PETG tends to be on the warmer side then other colours?
In my experience, moisture will cause excessive stringing in PETG long before it is saturated enough for popping/hissing.
I did two temp towers: 260-225
And
280-235
Although my printer didn’t want to go above 260, so the first layers are all 260.
Yikes! Are you sure you sliced the temp tower for PETG profile? (as others have inquired)
Update: replaced the nozzle, heat block (heating element, sensor, PTFE) and fan duct. Did two new temp towers:
Left tower is 235 (top) to 260 (layers labeled 280-260 are all 260). Right is 220-240.
https://i.imgur.com/1MQkStE.jpg
https://i.imgur.com/HDWq19A.jpg
I definitely feel like 220 is the right temp for this.
Huge difference!
Yeah I have Prusament Jet Black and 220/225 is the sweet spot for it on my setup.
That’s a shame you have to do all of the replacements but looks to solve all sorts of things for you.
BTW the keyboards in the background 😙👌
Thanks! Just two of my boards, SC Alice and Lily58.