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Cura 4.1, bad feedrate values?

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Posted · Cura 4.1, bad feedrate values?

Trying to print https://www.thingiverse.com/thing:3308710 with the Anycubic I3 mega profile, and the gcode produced at 0.2mm has rapid move entries with:
 

;TYPE:WALL-OUTER
G1 F17987547480000 Z0.2
G1 F3000 E49.38377
G1 F1500 X156.72 Y30.28 E54.20037
G1 X156.72 Y179.72 E61.15892
G1 X53.28 Y179.72 E65.97552

 

and I'm thinking 17987547480000 is a bit large for a feedrate.  Don't that that entry with the same project on version 3.6

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Posted · Cura 4.1, bad feedrate values?

That's the speed of light in mm/minute.

 

It's a problem for most versions of marlin.  Change the feedrate speed to 40mm/sec or something reasonable in cura.  By default it's set to "zero" which then sets it to the speed of light which should be limited by Marlin but Marlin can't handle numbers that large so it messes up.

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Posted · Cura 4.1, bad feedrate values?

That's totally possible, though I"ve not needed to set it in prior versions of Cura.  I've gone through all the settings, nothing is jumping out as a 'feed rate' setting in 4.1, any suggestions?

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