Best budget filament for Bambu Lab in 2026: SUNLU, JAYO, Elegoo and eSUN compared by price, AMS reliability and quality — researched picks under $18/kg.

Textured vs smooth PEI plate for Bambu Lab, compared: adhesion, finish, filament compatibility, the PETG glue rule, and gen 1 vs gen 2 plates for P2S/X2D.

X2D filament compatibility explained: what the main and auxiliary nozzles handle, TPU rules, AMS limits, track switch warnings, and what to avoid.