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If you set initial layer height to 0.3mm it extrudes 3X as much filament on the first layer versus if you set the initial layer height to 0.1mm. That's not what you asked but I think it answers your question.
Also it will set the Z=0.3mm if you set initial layer height to 0.3mm.
There is an "initial layer flow" feature which you can set to 200% for the first layer if you want. And then you can also set "initial layer horizontal expansion" to about -0.25mm (for a 0.4mm nozzle). If you play with all these enough you can have it all.
By the way, yes, squishing harder on the first layer greatly increases adhesion to the bed. I have a video about this:
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If you set initial layer height to 0.3mm it extrudes 3X as much filament on the first layer versus if you set the initial layer height to 0.1mm. That's not what you asked but I think it answers your question.
Also it will set the Z=0.3mm if you set initial layer height to 0.3mm.
There is an "initial layer flow" feature which you can set to 200% for the first layer if you want. And then you can also set "initial layer horizontal expansion" to about -0.25mm (for a 0.4mm nozzle). If you play with all these enough you can have it all.
By the way, yes, squishing harder on the first layer greatly increases adhesion to the bed. I have a video about this:
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