Spools with multi-colored flexible filament for printing prototypes of models on a 3D printer. Real spools with filament for 3D printing technology close-up. Innovative 3D printing methods. The man’s hand takes the reel. Coils with colored abs filament are in the box. The man puts the coil in the box. The guy takes the filament spool out of the box. Soft focus. Filament preparation for 3D-printer.