Step 3: Cut
Load a 2' x 3' x 1/4" piece of plywood into your (school's? friend's? local TechShop's?) laser cutter.
Etch the template into the plywood using the following settings:
Do about 10 passes, to get the etching nice and deep. This is largely to countersink the mounting hardware for the electronics.
Next, without opening the machine and jostling the plywood, vector cut the board with the following settings:
Note: All settings are for an Epilog Legend 36EXT that has gotten a lot of mileage, and isn't performing quite as well as it used to. Make adjustments as necessary.