Prusa i3 Mill

Since my environment disallows to use acids for creating PCBs and the Prusa i3 allows to easily exchange the head (just two screws), I want to create a milling head for it, so I can mill my PCB designs with my Prusa. My mill is a Mannesmann Compact Tool Art. Nr.: 92577

found here: http://www.amazon.de/Mannesmann-Schnellschleif-Ger%C3%A4t-flexibler-Welle-M92577/dp/B000ET60FQ