W3D printing
W3D printing filament
W3D selfie
W3DBenchy
W3Doodler
WAirbus THOR
WApplications of 3D printing
WBowden extruder
WCartesian coordinate robot
WCura (software)
WDefense Distributed
WDFM analysis for stereolithography
WDo Space
WFab@Home
WFab lab
WFarmBot
WFused filament fabrication
WMaterialise NV
WMicrostructures in 3D printing
WMink (printer)
WOrgan printing
WPolar Cloud
WPrint the Legend
WProtolabs
WPrusa i3
WRapid prototyping
WSlic3r
WVon Neumann universal constructor