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submitted 2 weeks ago by [email protected] to c/[email protected]
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[-] [email protected] 9 points 2 weeks ago

The challenge with ASA and ABS re:warping is chamber temps, not so much bed temperature. Both shrink pretty significantly compared to PLA and if your chamber is too cool and/or your print is too big or has difficult geometry you're going to be in for a rough time.

[-] [email protected] 3 points 1 week ago* (last edited 3 days ago)

I'm curious about ASA & TPU currently, and looking into best practices (began my printing journey in 2018 w/ a Mk1S & a Phrozen Mini duo) before jumping in, so this is helpful info, thank you (& OP, et al). 🤓

[-] [email protected] 2 points 3 days ago

No one answered so I will:

Have an enclosed printer! You won't be able to print anything larger than a couple of cm otherwise. Also make sure to not have air gaps, any cold air getting in can potentially lift up a corner.

You need a good first layer, even more so than with PLA. Have it squish a little more so that it sticks to the build plate like crazy.

Preheat your chamber passively with the bed. With my enclosed Ender 3 I did 10 minutes before large prints.

High bed temps: you might get away with 90°C at the lowest but 100°C is recommended.

When a print starts to lift off the build plate there's no fixing it. Either you're fine with the warp (and some squished layers/deformation) or you have to restart the print. No way to sugar-coat this.

Turn down part cooling as much as your overhangs allow, though with a hot enough chamber you might get away with "a lot" of cooling.

Print with brim or adhesion tabs! Mind the geometry of your part: models with tall walls will tend to warp more.

Tl;dr: printing ABS can be cruel, but it rewards you with strong, light parts that stay in shape even at high ambient temps like a car interior.

[-] [email protected] 1 points 3 days ago

Awesome, thanks, and wilco!

this post was submitted on 30 May 2025
14 points (88.9% liked)

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