Geeetech

I believe I'm suffering from irregular extrusions. I have measured 50mm of filament from the top of the PTFE tube and marked it, then from Prepare > Move Axis > 1mm > Extruder I've increased the value of exactly 50mm and I ended up having 8mm left out of the PTFE tube. I repeated the test twice more...

I'm aware of the wobbly ZY plane caused by the vertical rods not being straight, but I'm experiencing a very irregular XY plane on big prints and I wonder what might be causing this. https://imgur.com/a/F1aSLGR The effect is greatly visible on the left side of the printer, but seems worse on the bac...