PunisherBart keychain

Print settings: Nozzle 0.4mm, Base layer of 0.2mm, layer height 0.16mm, 2 walls, 15% infill.   If you use STL, here is swap Instructions: Start with first color and at layer #20 (3.24mm) swap to second color for the rest.   It is possible to print without material system by manually changing the filament (setting filament change or pause) in the slicer, depending on your printer and sw support.