close up on production process of two helical gears by a 3d-printer from white plastic filament on blue taped build plattform

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 close two 3d-printer visible layers taped build plattform