We don’t normally share projects like this because, gasp, it’s not really a hack, but this completely 3D printed filament spool holder by [Creative Tools] is actually quite amazing.

Spare print core holder That's where the Ultimaker Printcore Holder by Thingiverse contributor Logan Rose comes in. It was a quick, easy print.

Once more afraid* to leave the front door, I was messing with some sample filament spools I bought from UK firm Filamentive – which sells only filament with a high recycled content. These are loose ...