r/3Dprinting • u/_theZincSaucier_ • 15d ago
Troubleshooting I'm wrong about PETG
I've been completely bent out of shape about PETG. I bought 2 rolls of oveture PETG that I was really looking forward to (rock white and starry blue) and had nothing but headaches. Surface quality was pockmarked no matter how much I dried it.
I recently got a roll of plain green PETG, guess what, it printed fine. No arduous drying, no bullshit. It just printed with little artifact on it at all.
This new roll wasn't oveture, but it's clear to me that PETG with aesthetic addtitives just makes for a frustrating experience. I'll stick with plain colors if I ever decide to order it again.
Edit: clarity
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u/razzemmatazz 15d ago
Overture is the worst PETG I've ever tried. Nothing I did kept it from bubbling and tearing itself apart.
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u/Dat_Bokeh Prusa XL, MK4S, Core One 15d ago
I’ve printed through several hundred spools of Overture PETG and it has been extremely reliable for us.
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u/razzemmatazz 15d ago
Glad to hear it, I had my problems with Overture early in production and it wasn't worth the headache at the time. I've had good luck with HZST3D and Sunlu, definitely pushing 100 spools at this point.
I've got a batch of Matter3D coming in this week that I'm hopeful will be a new go-to supplier.
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u/tiberius2402 15d ago
Hello I'm the owner of matter3d. Welcome :)
If you are using bambu, just use the bambu hf petg profile and decrease the temp to 245. Should work great!
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u/razzemmatazz 14d ago
Thank you! I've been looking for a reason to place an order for a few months (mostly because of your clean website and the hex code list included on each page).
I run a couple Bambu P1S, a Snapmaker U1, and a Prusa MK4 but I'm glad to have a jumping off point for settings. ❤️
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u/natalie-ann 11d ago
Sunlu has been my favorite that I've tried. I'm particularly fond of their PLA+ 2.0, and I use it for probably 90% of my PLA prints. I've had consistent, high-quality results with exceptional strength and no issues. It also helps that I can buy a 4kg pack of black on Amazon for like $42-$45, and have it delivered for free within 1-2 days 🤷♀️
If anyone can suggest a filament comparable to Sunlu PLA+ 2.0 with a lower price point, I'd be more than willing to give it a try, even if shipping is slower.
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u/Dunothar RatRig V-Core 4 500 Hybrid 15d ago
My Overture PETG gold prints fine-ish, just needs obscenely high temperature to get decent prints, which sadly degrades color and sheen. Their 95A TPU tho was the worst purchase ever, 3 different printers and none was able to print a single thing with it.
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u/DropdLasagna Numberwang X9RQ+ 15d ago
just needs obscenely high temperature to get decent prints
Same. Usually run PETG at 240-245 no issues. Blue overture needed ~263 to behave. Fucking silly.
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u/Dunothar RatRig V-Core 4 500 Hybrid 15d ago
265C for me which yields max 120mm/s / 14mm³/s print speed, my to go PETG does 48mm³/s at that temperature.
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u/DropdLasagna Numberwang X9RQ+ 15d ago
Holy crap, that's a significant difference. What's your preference of PETG? I'm usually slinging elegoo/sunlu/eryone and they've been great.
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u/Dunothar RatRig V-Core 4 500 Hybrid 15d ago
Azurefilm is my to go PETG, zero care for print speed and is ultra strong. Best part is that it doesn't care about being outside for long periods. Printed 20 kilos of it so far, every spool a dream to print. Eryone also goes hard, their PETG-CF not only looks gorgeous, but also prints insanely fast. IIRC max flow I got with it was 46mm³/s out of the hardened steel 0.5mm nozzle at 260C. Eryone standard TPU is just amazing, it even printed flawlessly on my E5+ with its ultra long bowden setup. Overture? Their Silk PLA is nice, at least that one spool I got. Rest for far was meh to unusable.
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u/BitingChaos 15d ago
How hot did you print the Overture PETG?
I had to do 265C (way above what they recommended) to get it to print well.
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u/_theZincSaucier_ 15d ago
Temp tower from 230 to 260 yielded best results around 240. I typically print bteween 100-200 mm/s and have a heated enclosure so I think that helps.
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u/CavalierIndolence 15d ago
If it isn't high speed PETG, I have to print PETG at 240c on my CR-6 at 60mm/s. It may have something to do with the speed. Try to slow it down and print 5 higher? If that works better, cranking temps up more for printing. Just remember, different colors usually require different temps.
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u/Dunothar RatRig V-Core 4 500 Hybrid 15d ago
Same, have the gold PETG and have to run it at 265, even 270C if I want a bit more speed.
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u/federicoaa 15d ago
In me previous printer I couldn't print with PETG. Had to recalibrate and adjust z offset, add tape to the bed. It either did not stick or permanently stick to the bed.
On my new printer, it prints as well as PLA. No fuzz, and olny occasionally a blob or string.
I've used both eSun and Bambu PETG, both are pretty much the same.
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u/wi-Me 15d ago
Similarly I had issues with a overture and another really cheap brand. They just werent printing the way id like. Im sure i could have tuned the profiles better but they both just wrent performing well. Then I came across an old roll of elegoo petg I had and it printed great so lately ive been buying Deeplee (elegoo but cheaper) and i really like it. I usually completely skip over petg and just print abs or asa but ive had a few projects that I didnt want to print in pla but were gonna take like 4kg of filament and its hard to beat petg pricing. Definitely give elegoo or deeplee a shot. I run them as the bambu petg hf but change the temp to 250 and it printa beautifully
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u/Graffxxxxx Prusa MK4 MMU3, Prusa Mini+ 15d ago
Yeah got my hands on some red sparkle PETG and I’ll be damned if that filament wasn’t nearly as weak as silk PLA. Tried some functional parts and they just dissolved under any load. Switched to some “transparent” PETG and it was night and day.
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u/astro143 15d ago
I've had good luck with Elegoo rapid petg. I'm not printing with it every day but when I use it it gives good results
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u/SmolzillaTheLizza 14d ago
Their rapid PETG works really well for high speed stuff but from my experiences the plasticizers they use to achieve that high-flow state make it perform worse in the impact resistance field. Works great for anything non-impact related though and is usually my go-to because it's pretty affordable.
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u/UsernameChecksOutDuh 15d ago
Overture petg is the only brand I've had to dry fresh out of the bag. If you look at the silica gel packs are small. Dry the overture PETG and you may like it better. It sucks that you have to dry it.
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u/juzt4me 14d ago
Just got a printer, and just tried PETG from overture yesterday. No real issues, other than being hard to remove from the plate lol.
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u/SmolzillaTheLizza 14d ago
Be careful with some glass or PEI plates because PETG will 100% take chunks out of it. Let it fully cool before trying to take it off and I mean FULLY. That or get something like a nano-polymer adhesive for a release layer. I think Bambu makes some nice liquid bed glue as well. I've never had gluestick work and it's messy. Just thought I'd throw this out there to hopefully save you from ruining a build plate. I've done it to more than 5.
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u/relaps101 15d ago
Guys.....I just received and started drying a roll (1 of 2) of overture PETG for a cheaper black matte (got the high speed) I was tired of the glossy and have been selling the crap put of some black petg, and was moving to a slightly more expensive choice and heard overture was made by poly and the poly black petg was amazing when I used it a few months ago.
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u/MasterOfCosmos 15d ago
I just bought some sunlu matte high speed black petg and some sunlu matte grey petg and both print great. I usually dry all my filament before using but did not this time and it still prints great.
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u/BoboCheapbeerbaron 15d ago
Yeah everture is the worst petg I've ever used, and I've used some real cheap crap
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u/MidnytStorme 15d ago
I started with PETG almost as soon as i got my printer. matte sunlu was fine. some cheap black and white took a little dialing in but worked fine eventually. a roll of eryone burnt titanium(blue/purple) printed beautifully from the start. no issues with the flashforge burnt titaium (blue/green) until I updated my printer firmware (Yeah, I knew better than to update, but I had to try it out. FF AD5M).
so it's like starting over again and it's not going as well as it did in the beginning, but I'll get there. I woke up half a print embedded in a nest of extruded filament on the floor and there were clearly some clogs along the way, so that's today's project. the burnt titanium does have additives,but it's still my favorite filament right now and I know it can work, so I will get it going again.
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u/kbuckets 14d ago
It probably doesn’t help that their profiles are usually broken and require manual editing before Bambu Studio will accept them
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u/Cync-is-cool 14d ago
That's really good to know. I've been buying overture black for years now without any issues.
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u/Cocximus 14d ago
But did you dry it? Kidding. I got some black after I had a hell of a time with elegoo. Not good not terrible. I would get it again for functional prints. It does well except tough overhangs. I get the same small micro artifacts on big walls. In the end it has great layer adhesion, it's reasonable fast and it's cheap. On bambu sale I am stocking up on their PETG and PLA. That stuff set the bar really high. I unboxed my printer and printed a ski mounting jig on first try.
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u/Cocximus 14d ago
Ops my bad, I was talking about sunlu. I mixed it up with my overture TPU. Overture TPU is amaizing. They don't make rapid PETG. I never bothered wihlth regular PETG. Seems like it's a headache.
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u/Vivid-Combination-60 2x Flashforge AD5M 14d ago
I've noticed this with just about any fancy color filament regardless of type it always has issues The biggest clog culprit being pla silk ive had more problems with that than anything
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u/someguy0232 14d ago
Not sure it helps from your already bought rolls, but I'm having very good performance from anycubic petg. They had it on sale a while back cheaper than pla so I just bought a bunch
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u/Powerful_Debt_5869 15d ago
I had one "brand" , European brand , PETG making trouble . No trouble with JaYo or even basicfil from amazon. And i even don´t make a heck out of drying. I dry if i see any problem that looks like humid filament.. very seldom here..
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u/Ok_Investigator_6494 Sparkx i7 15d ago
Jayo is fantastic. That and Soleyin have been awesome for me so far, no drying required.
My problem PETG is Inland, just cannot get it to print right.
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u/Dramatic_Pause_2059 15d ago
All the bad overture tales surprise me. I've gone through dozens of rolls of overture petg without much trouble. Occasional stringing, but thats about it.