Here we mount the bottom, frontpanel, drive bay and "1st" level plating. Once mounted shut with thumbscrews ...

... we then screw the CD Rom access panel in with the provided thumb screws.

Now we mount the back panel shut with the thumb screws after the entire unit will be more sturdy. Now don't make the mistake I made, this is your cue to insert and secure the PSU.

We mount the front-panel bracket ...

Like so. Too bad the PCB is red. Black would have been much better.