ANET A8 | Power Supply Cover - Power and Switch with USB power
thingiverse
I really loved the original design but wanted to enhance it with a DC-DC 12v -> 5v USB converter to power my Octopi from the same PSU. This one gave me the space to install the converter and room to set a cut-out for the USB port. I utilized the following converter and switch for this: Converter - http://www.ebay.co.uk/itm/201730635313 Socket/Switch - http://www.ebay.co.uk/itm/222413951444 I added a rim on the inside corner to accommodate the converter - you will need to clip off one of the mounting tabs on the converter for it to fit snugly. Mine is simply held in place by friction, but I suppose you could add a small amount of hot glue.
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