Filament Swatch Mini Spools + Stackable Rack

Build a clean physical filament swatch library with click-fit mini spools and a stackable rack.Everything is designed to print fast, use very little material, and require zero supports. No AMS needed.Why this model?Very low material usage (lightweight but sturdy)Fast prints (simple, optimized geometry)No supports needed (all parts)No AMS required (single-color prints, works on any FDM printer)Modular & expandable: stack more racks as your collection growsOptional IKEA SKÅDIS mountHow the mini spools workYou can create swatches in two ways:Real filament swatch: wind a short piece of filament around the mini spool and lock it using the built-in holes (start + end).Dummy filament insert (printed): if you don’t want to wind real filament, print the “dummy filament” and insert it into the mini spool for a clean swatch look.The two spool halves can be slightly rotated to add tension. If you want a permanent hold, there’s a small access opening where you can add a tiny drop of glue.AssemblyTo