3d printing traffic sign on blue sky

printing background printing additive manufacturing rapid prototyping digital fabrication layered material extrusion stereolithography selective laser sintering electron beam melting direct metal fused deposition modeling light processing polyjet binder jetting powder bed fusion hybrid build plate filament resin powder cad computer-aided design stl file slicing software support structures volume resolution layer thickness print speed quality accuracy surface finish post-processing removal sanding polishing painting assembly finishing functional prototypes concept models customization small-batch production medical applications aerospace automotive architecture education jewelry fashion art manufacturing industry sustainable design