If only there was some way I could have known to try this sooner! /s
Story: I wanted to try printing with petg, since I’ve read how much easier it is. But with a new roll I just had a really hard time. Lots of stringing, poor adhesion, and it just seemed like no amount of my usual fiddling would really make it better.
Somewhere I read that even new filament can benefit from drying, because maybe it wasn’t stored in the best way, or maybe it’s older than you think. I also read about putting the roll on the print bed, heating it up and covering it for a long time, since I don’t have a filament dryer. I did that for about half a day, and then sealed the roll in a ziptop bag with a silica packet because I needed a break from it. A week later and, it seems much better!?
Either the drying, the break, or something else seems to have helped a lot! Happy printing everyone.
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PETG is truly a pain!! You’d think with a plastic used in water bottles, it would do better with moisture. I recommend the brand CC3D if you want something reliable (and ultra cheap!) Also remember that PETG needs more room between the nozzle and the build plate (higher z offset) so that the filament doesn’t stick to the nozzle and make a mess :)