Redesign that fits the Anker PowerWave Wireless Charger or any round wireless charger with a diameter of 100mm and a thickness of about 10mm.
I printed this on my Prusa mk3s by swapping the colors manually.
This is the prusaslicer profile I used: http://schlosshan.eu/blog/2019/03/02/prusa-i3-mk3-real-multicolour-prints-without-mmu/
Remixed from: https://www.thingiverse.com/thing:4462679
The author remixed this model. Imported from Thingiverse.