Anet A3 PSU Safety Cover

Having properly looked at the design of the Anet A3 it was obvious to me that the electrical safety had been given very little consideration. I have a separate design for the input connector that is a must and this design that is an important addition, but not as important.
It is a basic box that covers the high power connections. This stops fingers having any chance of touching the power connections by accident.
After you print the box, there is a need to drill and tap the two holes on the si