Limn is a pen plotter with a toolchanger. This repository contains the various klipper configuration files and some extra modules.
rfid.py: Script to read and update tool's NFC tag data.klipper/: Klipper configuration for the toolchanger and printer.slicer/config.ini: Sample PrusaSlicer config to make it suitable for plotting.step/: (todo) 3D Printable Parts
There is some more info posted here about this project.