2 layers27 × 60 mm

OpenFMS
aasmr/openFMS
Open-source filament presence and motion sensor for Klipper 3D printers – includes MCU firmware, PCB design, and 3D printable parts.
41 partsMIT
Printed circuit boards designed in KiCad and published on GitHub, each with its parts, layers and size, its README and its files; open any of them in PCBKit.

aasmr/openFMS
Open-source filament presence and motion sensor for Klipper 3D printers – includes MCU firmware, PCB design, and 3D printable parts.