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Coasting without Wipe only works on Initial Layer?? (plus auto nozzle clean tip))


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Posted (edited) · Coasting without Wipe only works on Initial Layer?? (plus auto nozzle clean tip))

Hi all,

Is it correct/normal that Coasting only works above the Initial layer when you give a value >0 for Outer Wall Wipe Distance??

I thought I was completely silly, by printing a single wall test ring, just to tune the Coasting feature, constantly increasing the value of it.

And then I noticed the increasing gap in the Initial Layer, but above that nothing.

I also noticed it in Cura after slicing, but I hoped that was just a graphical bug.

That's a little bug, right?

 

By the way, for anyone who also ends up with some irritating little piece of filament that just always flips sideways to the nozzle at the start of the brim/skirt, and some poor priming, this is how I solved that perfectly (when always printing the same objects) on my Modix Big60:
 

M104 S250 ; Start heating the nozzle, without waiting
G28  ; Home all axes
G0 X0 Y15 Z30 F7200  ; Move to front edge and bed 60mm down
G0 Z45 ; Creating enough space for the messing brush to clean the nozzle super clean if needed
G92 E0  ; Zero the extruded length
M109 S250 ; Really wait for the nozzle to reach the right temperature
G1 E10 F1500 ; Extrude 10 mm of filament to prime the nozzle good
G1 E-1.5  ; Retract filament 1.5mm to reduce oozing
M0 Click to continue..  ; Wait till a button is clicked in case some extra cleaning is needed
G0 X265 Y220 Z2 F7200 E-0.5   ; Move somewhere close but outside the brim/skirt
G1 Z0.3 F1800 ; Lower the nozzle straight down to printing height
G1 E2.2 F600 ; Extrude to make a good blob that sticks well to the amount that might have already oozed out
M0 S2 ; Wait 2 seconds to stick well to the bed
G1 X265 Y240 E4 F600 ; extrude a fat line (1.6mm approx) to leave the bad start behind

This leaves my nozzle 100% clean at each start.

Maybe useful for someone..

Edited by kayazuki
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