I’ve been running some ABS prints on my P1S with the smooth PEI sheet (for fitment reasons). I swear by 3Dlac as my release agent, again for fitment as well as surface finish reasons (I really don’t like glue stick or the finish it gives).
But I’ve noticed small bubbles forming on the corners of my prints. The prints stick very well and release when bending the plate, but it almost seems as if the surface slightly releases itself from the spring steel. The bubbles create small, almost warp like features on the corners of the print, although they are so small that it doesn’t affect the print or fitment (it seems more like a visual defect rather than a physical one).
The plate however has noticeable bubbles on the surface where the corners of the print where and you can feel them when running your fingers over them.
Is this a known issue? Is my plate defect or am I forced to find an alternative release agent?
If I understand correctly, the bubbles on the sticker sheets are a known thing. I believe it is in the WIKI, but basically, run the bed 100c and turn the build plate upside down, stcker side down. I believe it is 10 minutes or so, then let it cool. I have not done this yet, though.
Do it for at least 15 minute, longer if it doesn’t work. I have done it before and it works, but not always. I’ve had some bubbles that wouldn’t go away, but that was due to me improperly installing the sheet. I had to replace the sheet for that one.
After the 15 minutes, you are supposed to set the bed to 30C and wait until it reaches that temperature, then check if it helped.