Endless Exploration EX14 (May 2026) High Temp PETG
The downside of PETG and even PCTG is they aren't much different or better than PLA, and, in fact, they...
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HTPLA & PLA are formulated for reliability + high speed. HTPLA prints like PLA. AMS compatible, 3D print edge guards if desired. More details in our blog. Thanks for choosing Protopasta! Questions? Email support@protoplant.com
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We bought this material (or at least an earlier version of it, perhaps) about 10 years ago for our R&D group, and printed it on our SeeMeCNC Orion. It let us print prototype tool designs that were visible under a fluorograph (it's a live x-ray machine). Our surgeons were impressed when we practiced with synthetic bone materials under fluoro. And when we were done, I put our prototypes on my filing cabinet side with a magnet!
I believe our old test cube print is going on 10 years old now and hasn't rusted yet.
This filament is GORGEOUS. Thecombo of the translucent rich red and the gold flakes just make this pop so beautifully!
This stuff is really pretty! It has a nice subtle pearlescent sheen to it that reminds me a lot of the pearl frost white color of my car!
Nice and bright and if you sand it a bit more reflective
This is a great color. I'm relatively new to 3D printing, and was able to successfully print with it on my P1S with little effort. My wife was very happy with the color, it matched her car perfectly.
Straight off the print bed, it looks like terracotta, but don't be discouraged. Bringing out the metal is a little time consuming but not difficult (I used the same brass brush I clean my nozzle with) and the oxidization is easy and incredible. If you only brush it (like I did in these pictures) it takes sunlight to make it shine, but sanding makes it glisten like a penny. Things printed with this are heavy and make your hands smell like metal when you handle it a lot. I was surprised how easy it was to print with; for me the difficulty was comparable to maybe a glow in the dark filament. I'd use this for everything if I could.
Love this filament! Easy to print. Looks amazing. Durable. A little pricey for amount on the spool, but worth it.
Excellent print material, consistent prints, great and consistent color, 10/10 would buy again
Printing with this filament was easier than expected! It prints somewhat like regular PLA but a bit more brittle. I used the same settings listed on the data sheet with no problems. For context, I have a Prusa i3 MK3S+ with a 0.4 hardened steel nozzle.
Getting the rusting effect I wanted took some experimenting....I was going for a splotchy/layered rust that had different tones of orange.....similar to corten steel. What I found worked best was to place multiple size/shape droplets of rusting solution on the print and let it sit for a while. I used a heat gun to "bake" in that layer of rust....then repeat the process. Misting the print with a thin layer of liquid resulted in a dull brown rust that was kind of boring. The rust will rub off if you do not spray with some kind of fixative. I used Matte Finish from Krylon.
Enjoy select colors from our community collaborations below
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35% off Sale Collection with the code SPRINGFWD26