Main power switch for Prusa i3

As my prusa i3 got no main power switch, I always had to disconnect it from main power...
There are many enclosures/covers to the power supply, but as it would be on the right back
of the printer, it would be a little inconvenient to operate, especially when your printer is
located at the right side of the hobby-desk, like mine...

So I designed a small panel, that can be clipped directly to the rods of the printer table,
supporting a standard industrial panel cutout switch.

Simple, bu