fused filament fabrication (3d printing) (FFF)
Fused Filament Fabrication (FFF) is a 3D printing technology. It corresponds to the Fused Deposition Modeling( FDM) process, the difference being only in the name. While Fused Deposition Modeling is protected as a trademark by Stratasys Inc., the name Fused Filament Fabrication (FFF) is unprotected and can be used generally.