Improved SN04 bracket for Anet A8

My SN04 autolevel sensor arrived, so I figured I'd hook it up. I bought a bare sensor so I didn't have Anet's mounting bracket.

I printed off both versions of pparsniak's sensor bracket. The version with mounting pillars fouled with my X belt retainers (I'm not using the stock ones) and I felt the version without the pillars couldn't be screwed securely enough to the printer without warping it. So I did my own take on their bracket design.

This design uses pins which stick into the holes o