Anet E12 make the control unit a part of the printer.

---Update Dec 29, 2018 ---
The Anet metal control box doesn't have enough room inside for correct cooling, I noticed mine awhile back getting quite warm to hot during use.

I have worked up a new design that provides new homes for the power supply, control board & Mosfets, and lastly the display board.

I will be posting these updates soon.

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Now, this you have made the legs for your E12 https://www.thingiverse.com/thing:3097667 , make your control unit