Power supply cover and switch

A remix of Elizabwth's Anet A8 power switch. Modified so that it will fit my power supply and prusa i3. Although my design skills aren't as good.

Original design:
http://www.thingiverse.com/thing:2000523

The power supply can be found here:
http://ooznest.co.uk/3D-Printer-Electronic-Parts/Power-Supplies/12V-250W-Power-Supply-Fan

=== Updates ===

v24 has adjusted tolerances for power supply by half a millimetre larger and added hole to allow access to wire terminals

V35 has adjust