An easy indicator to show which material is fed to a specific printer. There are two pyramids: one to glue the specific letters into (ABS, PETG or PLA), obe with small “windows” to put your own letters (slots are 10x20mm in size).

Designed with TinkerCAD. Printed with Prusa MK4, PLA, fedault settings (0.2mm, 0.4 nozzle, …)