Bye bye ABS

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Bye bye ABS

Postby usagi » 2016-Mar-Sun-02-Mar

PETG is everything you wished ABS to be.

  • no warping
  • no smell
  • non brittle
  • extreme strength
  • fantastic layer adhesion
  • non hygroscopic

bye bye ABS. was nice knowing you.

very happy with this stuff!
http://www.amazon.com/filament-1-75mm-M ... B00ZAUQZTA
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Bye bye ABS

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Re: Bye bye ABS

Postby cacb » 2016-Mar-Sun-03-Mar

usagi wrote:PETG is everything you wished ABS to be.

  • no warping
  • no smell
  • non brittle
  • extreme strength
  • fantastic layer adhesion
  • non hygroscopic

bye bye ABS. was nice knowing you.

very happy with this stuff!
http://www.amazon.com/filament-1-75mm-M ... B00ZAUQZTA


Very interesting, I have a roll of ABS, but cannot stand the smell. What is the typical hotend and bed temperatures for printing with PETG?
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Re: Bye bye ABS

Postby usagi » 2016-Mar-Sun-03-Mar

I print PETG with 65C bed and 230C extruder.

the strength of PETG printed parts really is unbelievable. when a part does break, it rips diagonally, giving a jagged edge across many layers. where PLA or ABS would separate cleanly along one or two layers, like cleaving mica sheets.

the only downside is that PETG adhesion is so great, it takes a bit of extra work to clean off support material. small price to pay.
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Re: Bye bye ABS

Postby RetireeJay » 2016-Mar-Sun-06-Mar

Hey, I fully agree with the problems with ABS. I never used more than a few feet of it before giving up due to the smell. Although different people's noses respond differently; Plexus doesn't mind the smell.

Anyway, just for completion, I want to point out that Taulman3D's "T-Glase" is PET-T, a close cousin of PETG. I've been using T-Glase for years now and am very satisfied with it. I'm running just about identical temperatures as mentioned above.
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Re: Bye bye ABS

Postby cacb » 2016-Mar-Sun-10-Mar

usagi wrote:I print PETG with 65C bed and 230C extruder.


Thanks! That makes it easy. I will probably order some PETG next time around then.
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Re: Bye bye ABS

Postby ktfergus » 2016-Mar-Sun-12-Mar

I agree 100%; I switched to PETG several months ago after ABS kept warping on large prints, even with a bed temp of 110C.

I've been happy with eSun's black PETG & just started using Taulman's Tech-G with good results. I still get occasional curling but nothing like ABS.
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Re: Bye bye ABS

Postby usagi » 2016-Mar-Sun-15-Mar

oh yeah, I print on PEI. PETG adhesion is excellent.
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Re: Bye bye ABS

Postby MileHigh3DII » 2016-Apr-Thu-23-Apr

What kind of layer height and speeds are you running? I've played a bit with Tglase, but thru a 0.4 I found it to be stringy and had to be printed at a slow speed. I have an old PB+ that I set up with a 0.8 nozzle for vase type stuff at 0.8 layers- and that is pretty interesting, but not really applicable to parts with details.

What am I missing?
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Re: Bye bye ABS

Postby RetireeJay » 2016-Apr-Fri-05-Apr

I generally print at 0.25 or 0.2mm layer height. With my E3Dv5, I had to increase the printing temperature to 250C from the 230 that I was using with the Ubis. My print speed is 50mm/sec. With these settings, I get consistent extrusion volume and good layer-to-layer adhesion.
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PB fan mount + 40mm fan -- using printed mount adapter, not the E3D supplied fan
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Re: Bye bye ABS

Postby Chyn » 2016-Jul-Fri-01-Jul

How about costs? Is it cheaper than ABS or at least the same?
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Re: Bye bye ABS

Postby teicher » 2016-Jul-Sat-20-Jul

Can you print PETG without a heated bed?
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Re: Bye bye ABS

Postby thawkins » 2016-Jul-Sun-03-Jul

RetireeJay wrote:Hey, I fully agree with the problems with ABS. I never used more than a few feet of it before giving up due to the smell. Although different people's noses respond differently; Plexus doesn't mind the smell.

Anyway, just for completion, I want to point out that Taulman3D's "T-Glase" is PET-T, a close cousin of PETG. I've been using T-Glase for years now and am very satisfied with it. I'm running just about identical temperatures as mentioned above.


I have never noticed any smell with ABS and I never had any significant issues with warping.

I like PETG, but nothing is perfect, it has a lower temperature tolerance than ABS and is more viscous and sticky thus prone to stringing, prints can come out looking like hairy fur balls.
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Re: Bye bye ABS

Postby alex2017 » 2017-Mar-Fri-03-Mar

Very interesting, I have a roll of ABS, but cannot stand the smell. What is the typical hotend and bed temperatures for printing with PETG?
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Re: Bye bye ABS

Postby RetireeJay » 2017-Mar-Fri-06-Mar

See the second post in this thread. ;)
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Brass threaded rods (5/16" X 18) & nuts for Z axis
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Cable chain to reduce probability of fatigue failure in wires
E3D V5 Hot End, 0.4mm nozzle, also 0.8 and 0.25 in use occasionally
PB fan mount + 40mm fan -- using printed mount adapter, not the E3D supplied fan
Injection molded extruder gears
Optical Z "endstop" (custom designed and built)
Have used many pounds of T-Glase filament. Now also doing some work with Ninjaflex SemiFlex
Print on glass with Scotch Craft Stick or other glue stick
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Re: Bye bye ABS

Postby MileHigh3DII » 2017-May-Tue-04-May

The ABS never bothered me, but I'm a chemist that has worked around solvents and resins, so that maybe why I don't find it as offensive. Interesting spread on sensativities.

I will sing the praises of the PETG though. I have a spool of ColorFabb nGen silver filament that I'm in love with for now. It has excercized by bed/warping demons I had with ABS. I could manage them- but I was totally going Kluge by taping down the brim corners with scotch tape- I even tacked down a corner of a build that was lifting. Not fun with a heated bed and moving extruder gantry.

That Amphora has great adhesion to BuildTak with some glue on it. Might not even need the glue. Had to heat a printed part to 40C on the bed to get the part knife under a corner to get it off. Nice smoothness. Good flow.

I've used TGlase, but that wasn't pigmented and I didn't get nice looking parts out of a 2. layer .4 nozzle print- though my 0.8 printer loves it.

I'd be really interested in getting in some Amphora pellets in to play with in my Filastruder.
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