PrintrBot Simple Metal Power Switch Panel

I don't like pulling the power lead out of my power adaptor to switch off the printer, and also wanted an emergency stop switch on the front of the machine, so created this model in 123D Design to accommodate said switch..

The panel is designed to fit in with the Printrbot aesthetics, and the switch cut-out is sized to fit a basic illuminated rocker switch (in my case Maplin part number N84JZ http://www.maplin.co.uk/p/rectangular-12v-rocker-switch-illuminated-red-n84jz).

I'll put a blo