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Outer wall indented lines
in Improve your 3D prints
Posted
Hello,
I'm currently printing on a (sigh) Geeetech A20 using (yey) Cura software.
I've been experiencing these lines in the outer walls of my prints for some days now, and i've tried to tweak almost every parameter to non avail.
It looks like some layers are under extruding while others pop out;
doesn't seem to happen in a cyclical manner, just an indented line every now and then.
Retraction and coasting are activated since i'm printing 2 parts at the same time,
although the same thing happens in a single piece print (with these switched off)
If anyone has had this issue before can please give me a hint on what to look for?
checked bowen extruder calibration
keeping the printer safe from environement changes and on firm surface
Using Geeetech black PLA
bed temp. 55°
nozzle 190° (best results so far)
print speed 80 mms
wall speed 40 mms
layer height 0.15
in. layer heigh 0.15
retraction 3.5 mm
ret. speed 65 mms
coasting volume 0.08
min. ammount 0.8
coast speed 100%
compensate wall overlaps (inner + outer) true
all of above been tested in a ±5 range (or in small values for millimeters)
Thankyou in advance
CFFFP_divano 2.gcode