Bah, got a problem. Snapped off one of the pegs on the corner snap-on tab:
Here is what it should look like:
I'll put it back in place with some plastic adhesive and hope it holds.
Next is the tapping of the front acrylic panel I'm using to anchor the fans onto.
Because of the depth of the acrylic tunneling the fans need to be backed off the panel. Here is the depth I need them at:
So using some acrylic tubing I made some stand-offs:
Using the same plastic adhesive as above I'll stick them in place to align with the fan holes.