MP Mini Modified Right Side for 30mm Fan

I tried to adapt Thing 1873935 to use the 30mm fan I had laying around. It didn't come out the way I hoped. So I grabbed my trusty millimeter ruler, took some measurements and started from scratch. The result is this two piece side assembly. It seemed to me that the fan would pull cooler air from the vents on the bottom of the printer so I didn't add any extra openings. I mounted the fan so it would be close to the main board and blowing out. The two pieces should snap together, although I had t