Being a newbie in 3D printing, I have some trouble with my prints. After removing wiggle room from the X axis and the bed, there are deformities even on simple prints. The first layer turns out okay-ish but there seems to be some stringing that makes the print deviate consisently when there is a turn. How could I improve? My setup:

Ender 3 V2 - stock printing bed, extruder/nozzles
Firmware: mriscoc
Auto bed leveling (BL touch) - Z offset -2.18mm
Slicer: Cura - 0.2mm layers, 20% infill
Material: PLA - 200C nozzle, 60C printing bed.

The Gcode of the XYZ cube:

;Layer height: 0.2
;Generated with Cura_SteamEngine 5.3.0
M140 S50
M190 S50
M104 S200
M109 S200
M82 ;absolute extrusion mode
; Ender 3 Custom Start G-code
G92 E0 ; Reset Extruder
G28 ; Home all axes
M420 S1 ; Use mesh level stored
G1 Z2.0 F3000 ; Move Z Axis up little to prevent scratching of Heat Bed

Sample output (XYZ cube):

X face

Y face

Z face

Side view


1 Answer 1


Update: I identified the issue as a lack of tension in the X and Y timing belts. After tightening the belts, the prints are much smoother !

  • 1
    $\begingroup$ Thanks for answering your own question! Please accept the answer after 48 hours! Looking at the images I also suspected belt tension, it is quite clear from the top side view! $\endgroup$
    – 0scar
    Commented Jun 4, 2023 at 21:27

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