Filament swatches with hole to store on a keyring or string with a thick brim for durability.
Printed with 0.2mm layer heigh.
They are designed to fit in the Prusa Printer Enclosure V2 https://blog.prusa3d.com/mmu2s-printer-enclosure_30215/https://blog.prusa3d.com/mmu2s-printer-enclosure_30215/
The author marked this model as their own original creation.