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PRUSA SLICER FLOW RATE CODE

If you change filament "Extrusion Multiplier" changes affect all prints with that particular filament

No, nothing will be ignored, it just multiplies along the way from slicer (Extrusion Multiplier) -> startup g-code (M221) ->Flow on LCD-screen. If you then turn knob on lcd to 110% you have 1,1*0,95*1,1 =1,1495 out from the extruder.Īny change you make in the Extrusion Multiplier field will be ignored Start up g-code set M221 to 0,95, that means flow rate from the extruder is 1,1 * 0,95 =1,045 Your E "Extrusion mutliplier" is 1.1, so the g-code that comes out has a flow rate of 1,1

PRUSA SLICER FLOW RATE CODE

"M221 0.95" in start-up code is an old relic from the when Prusa printers consistently overextruded. RE: ISO: Flow you change "Extrusion Multiplier" in PS the extrusion rate is changed at g-code level. This makes it easier to do everything in one place. I make a habit of resetting M221 to 100% in my startup gcode, removing any other M221 commands from startup gcode, and only making tweaks in the slicer. If you're tweaking the extrusion multiplier, you can save your sanity by leaving the printer settings (via front menu or Marlin M221 gcode command) alone. The extrusion rates inserted into the generated gcode will be adjusted accordingly.īe aware that these can be combined.

Adjusting the Extrusion Multiplier in the slicer (flow in Cura) adjusts the calculations used by the slicer.

(Note: This setting is NOT automatically reset between prints, and must be reset or the printer power cycled.) Either method will apply a modifier to any extrusion commands received by the controller.

Changes made via the printer menu are functionally equivalent to issuing the M221 gcode command.

Printer menu, gcode commands, or PrusaSlicer extrusion multiplierĭo be aware that they do equivalent things, but via different means.