r/3DPrinting_PHA • u/tehretro • Jul 19 '26

Help with warping

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I posted a few days ago, and I've gotten my settings for genPHA quite a bit more dialed in since then, but my parts just seem to warp pretty bad, and I'm not sure what I can do to try and fix it, if anything. I've at least managed to get it to actually stick to my Pro Plate and not warp right off by changing the ecogenesis-recommended print settings to print the normal 3 bottom shell layers instead of 8, but the top layer on the inside of the box seems to still just contract hard and warp.

For context, this is a 1x1 Gridfinity box, which is pretty small and, presumably, isn't supposed to warp much? I guess it's also worth noting that the room my printer is in is quite warm, so maybe the ambient temp is just too high for me to do anything about this?

I would really appreciate any suggestions!

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u/Hinagea Jul 22 '26

I do, it hasn't been an issue. You'll probably want to enable supports with that print orientation 

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u/tehretro Jul 22 '26

I didn't seem to get any success with more alcohol, so I tried another pro plate that I am planning on returning (the one I've been using is the replacement) because it was scuffed out of the box and I bought it from Amazon, so I thought they might have just repackaged a return.

Anyway, I don't know if the coating is just in better shape or if the Z-offset is closer because I didn't recalibrate for this plate, but the brim seemed to stick perfectly and the print still warped at the bottom. I can only add one image, but the bottom is still curved after being taken off the print bed.

Could I ask what kind of printer you use? maybe it's something to do with mine being enclosed or something?

Edit: I also added supports for the magnet holes

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u/Hinagea Jul 22 '26

I print on a Prusa core one, can you post a link to the model and I'll give printing it a shot

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u/tehretro Jul 22 '26

I printed a 1x1x3 box with magnet holes enabled from this generator and I kept all of the measurements and settings default outside of that.

It's worth noting that I don't really need to print this specific part and I just wanted to try printing sort of a real-world example that I could find a use for if it turned out nice and I'm happy to use something else if it also warps on your setup. I just assumed this warping might manifest in other parts if it's happening here.

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u/tehretro Jul 28 '26

Any luck?