Prusa i3 Hephestos power-connector

I wanted to have an power-connector to easily remove power from my 3d printer to move it, but i didnt like to remove the connector on the ramps board as i had other wires connected to it.

so i took the design from the usb holder for prusa i3 (http://www.thingiverse.com/thing:237016) and made an mirror to fit on the back and then i resized the hole for the connector from http://www.thingiverse.com/thing:826200 to fit a 4 pole connector.
and then added them together.

you can buy the conn