using bambu lab pla basic for all 3 models.
testing the exact same model on all 3 printers
creality k1 (cost £400)
bambu lab p1s (cost £639)
ender 3 v3 se (cost £179)
0.2mm layer height
2 walls
no infill
standard settings on all printers
creality slicer and bambu labs slicer used