submitted 1 year ago by MeatballFlag@lemmy.sdf.org to c/3dprinting@lemmy.world

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This print started fine the first handful of layers before I walked away. I came back later and everyone of these blocks was curling up with the corners lifting off the bed. I just put on the PEI plate, this is the first print on it. I did level the print bed manually with a sheet of paper, the first layers of each block looked nice and uniform. I'm printing with the bed at 60c which is what I've always used with the flexible magnetic print mat that came on the printer. Should I be turning down the bed temp with the PEI plate?

Thanks for any advice

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[-] rambos@lemmy.world 3 points 1 year ago

As others said clean the surface, but also consider bit more squish on the first layer.

Changing bed surface is a big change and requires calibration. First PID tune your bed heater if you havent already. Then find new good temp for your setup (assuming everything else is fine). To be fair, pla and pei are both quite forgiving, but having printer dialed in is almost mandatory for large prints.

I dont use pei, but printing on clean glass. 60 C with fans off is perfect for 1st layer, but then I have to change it to 56 C to avoid corner lifting on large prints.

Also good practice is to leave printer heated for like 20 min before you start printing

[-] rambos@lemmy.world 2 points 1 year ago

Also some parts are harder to print, like 200 mm cube. Use all helpers whenever you can, brim is easy to remove and I use it 95% of time. Mouse ears are overkill sometimes, but I sleep better while printing big parts with sharp corners. Also waking up better when I know it didnt fail

this post was submitted on 17 Jul 2023

9 points (100.0% liked)

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