3D printers use software called a slicer, which converts a 3D model into layers that the 3D printer lays down in molten plastic ... The four spools of filament were replaced by three spools ...

White Serger Thread Cones 4 Pack: 4 Pack of 3000 Yards Each Spools Thread Cones, total 12000 yards, enough for your daily use. The white all-purpose thread use for sewing/serging thread/sewing ...