This is a recreation and a funny customization to our printers.
If you are a proudly owner of a PRUSA MINI, maybe you would like to have it signed by Josef Prusa, this can happen if you assist to a 3D printing fair whith a PRUSA stand, but if you are not able to assist to the fair or there is a pandemic like the COVID-19 and because of that all the faires has been suspended, now you will be able to print the plate signed, of course this is a recreation and a funny customization to our printers.
You will need a multimaterial unit to print it or try to modify the G-Code in order to perform the material changes by hand.