PiTX adaptor plate

I designed this as part of my PiNAS project. this plate lets you mount Raspberry Pi B or similar board into the case of an old computer. It lines up so that it mounts the pi like a motherboard. It has openings for ethernet, HDMI, and audio. There is also a place to slide in a small fan for active cooling. This is very useful for board that run hot, like the ASUS Tinkerboard.