Most 3D printers come with a pretty basic filament holder — often little more than a bar to hang the spool on. [Ivan Miranda]’s 3D printers run bigger spools than most, though, so he had to ...

If you have a 3D printer ... used to support and rotate the spool. All the parts are available over at Thingiverse.com — even if you don’t have a 3D printer, you might want to see the ...