This is untested, but something like this should work. set the flow to 1.25 or whatever you need. youll have to experiment with the ironing flow, speed and line spacing. I realy like the K1 and now it can use its full potetial and prints like a monster. Furthermore, many community profiles included in PrusaSlicer will also have. ![]() The Creality Print slicer is a unfinished buggy mess, so download the Prusa Slicer Config Bundle from the second link and use Prusa Slicer. Posted by: Printer Custom Gcode, add a line for layer 1. Nozzle was probably clogged with burned filament. The textured sheet has a slight sheen to it when just using it for PETG, but PLA leaves it with a dull matt surface and you can see the outline of any PLA prints, this is where the adhesion issue always occurs if you have this on the sheet. Whilst the value should ideally be set in the firmware it can be useful to test slight changes to the rate by altering this value. I just use a 100 x 100 mm first layer square which I print over the affected area, and now I won't print PLA on the textured sheet, but use it just for PETG and spray with 99% IPA between prints and wipe off with a paper towel. The Extrusion multiplier setting allows the fine tuning of the extrusion flow rate, and is is given as a factor, e.g. You can see the same residue on the smooth PEI sheet, but you can wipe the surface more effectively with IPA since it is flat. I do believe it depends on the PLA, but it looks like it leaves a residue (chalk is a possibility) which makes it difficult for anything to stick properly afterwards, with the textured sheet, this residue gets into all the nooks and crannies on the surface of the sheet and is difficult to remove, but printing PETG, a sticky polymer when melted, it gets squeezed into said nooks and crannies and does a pretty good job of removing the residue when it has cooled down and is removed. ![]() I found that if PLA had been printed onto the textured sheet, then I had nothing but problems with adhesion afterwards, even trying to get PETG to stick was an issue, but after a couple of times with PETG over the parts of the textured sheet where the PLA had been, the PETG would stick again and the outlines of the PLA left on the textured sheet were gone.
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