1mm nozzle prime blob dangerously big

Hi guys, I'm just trying out a 1mm nozzle. Prime blob seemed fine until I set the nozzle to 1mm in ratos because mid print I got the extrusion limit error because the printer was probably still in 0.4 nozzle mode.
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7 Replies
AsicResistor
AsicResistorOP•4mo ago
I reverted the nozzle setting in my printer.cfg and went for the max_extrude_cross_section setting that I increased to 50. Blob seems to print normal again
DasSammy
DasSammy•4mo ago
is your rotation distance on the Z Axis right?
AsicResistor
AsicResistorOP•4mo ago
Yes that seems correct, never changed anything there. It's printing fine now with removing the 1mm nozzle from my printer.cfg and adding the max extrude cross section command at 50
miklschmidt
miklschmidt•4mo ago
Looks like the equation to calculate the extruded amount might be a little off 😂 Did the bridging afterwards work fine? Ie is the size of the blob the only issue I can make sense of that (i'm multiplying all of the extrusion lengths currently, probably don't need to scale the blob over a certain size) in fact it should probably be the same size always
AsicResistor
AsicResistorOP•4mo ago
I haven't ran it further with those settings, I removed the nozzle from my cfg and added the cross section limit, after that everything seems to work as expected
miklschmidt
miklschmidt•4mo ago
I haven't ran it further with those settings
I meant the bridge from the blob, looks OK in your pic. But the fact it's working OK with a 0.4mm configured confirms that we don't need to scale blob size, only the way it's extruded.
Helge Keck
Helge Keck•4mo ago
this looks like a landmine
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