Warfarin88

For the fan mounts, I used some of the 1/8" thick aluminum plate. First I measured and drilled some pilot holes:

Fashioned a quick jig to assist in sawing some 1.25" holes:

Dug in with the jig saw:

Next up, my trusty file and an initial sanding:

Pictured above is a bracket for the triple fan exhaust. Here's how they work:

Here's the intake:

And the whole she-bang:

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Hole Sawing Guide: here