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Thanks everyone. I raised the initial temp by 5 degree, and reduced the z-offset by 0.05mm. It looks great now
it is printing the fidget star now. Note, that each star has a thickness of 2 walls. The 1 corner is a little bad, because i took to much to time adjust the z-offset.
It looks like the extrusion lines could be smushed down a bit further onto the build plate, can you set your z-offest downwards a bit so that the lines merge together more?
I like that idea. I haven't even thought in that direction.
By how much should I change the offset? The print in the video has 0.2mm layerheight. But the worst results (i.e. total print failur) happened with 0.1mm.
FWIW, those PEI sheets usually need higher bed temp than the regular sheets
Try increasing hotend temp for first few layers and hotbed temp throughout
the default from the printer was 60C. I had some better results with 70C. But the issue still happend with more delicate prints.
those PEI sheets usually need higher bed temp than the regular sheets
thanks. I didn't know that. What magnitude are we talking here (like: 10K more for PEI-sheets? or more like 1K?)
Try moving z closer for first layer
I think this may be the solution. How much should I change the z-offset? (the print in the video has 0.2mm layer height. And the worst-adhession issues happened with 0.1mm)