



Katana print (Printables #543260) — weak/binding segments + rough surface
Ender 3 V2, Klipper, SKR2, Sprite Pro direct drive, BLTouch. SUNLU PLA+.
Print settings: 200°C nozzle, 75°C bed, 0.2mm layers, 3 wall loops, 110% line width, PA 0.02, flow ratio 0.98, fan 100% from layer 1, outer wall speed 120mm/s.
Result: segments bind when sliding and feel weak/flex when extended. Surface also has visible ribbing.