print head of fdm-3d-printer with cooling fans, feed drive and x-carriage that produces helical gears from white plastic filament

additive manufacturing rapid prototyping fdm fff 3d gears printer machine production parts make plastic pla abs white black technology produce extruder layer helical infill spare replacement engineering hobby productive design unique sustainable repair filament industry digital fabrication idea material create object thing heat process computer popular manufacture blue professional industrial print head fdm-3d-printer cooling fans feed drive x-carriage produces