Based on the Customizable Filament Swatch box by Makkuro design. Rather than using OpenSCAD I re-created a model in Autodesk Fusion 360. Holds 30 half-width swatches (30h x 40w x 2mm) that I've created for testing infill patterns and other slicer settings.
Work in progress.
6-Jul-2022 Added .stl for lid, but haven't actually printed it yet. Also added Autodesk
The author remixed this model.