Why these numbers
eSUN PLA-LW starts from Bambu's PLA Basic reference; eSUN's published specs are overlaid where available, and everything else stays at Bambu's calibrated default.
Inherits PLA Basic @BBL A1; nozzle 250, flow 0.5 (foaming), vol 15; bed 50
Treat these as a starting point — run a flow-test cube and Bambu's Flow Dynamics calibration after import for the last few percent.