What is FDM 3D printing?

FDM (Fused Deposition Modeling) is the most widespread 3D printing technology. The printer melts plastic filament in the extruder and pushes it through a nozzle layer by layer. Used by 95 % of desktop 3D printers.

How FDM printing works

FDM process: 1) Slicer converts model to G-code. 2) Printer heats nozzle and bed. 3) Extruder feeds filament to hotend. 4) Print head lays plastic layer by layer.

FDM advantages

Affordable - from ~$250
Wide material choice
Easy maintenance
Large build volumes - up to 400×400 mm
Speed - Bambu Lab up to 500 mm/s

FDM vs. SLA

FDM melts filament layer by layer - cheap, fast, large parts. SLA cures liquid resin with UV light - higher detail but more expensive and slower.