* Epoxy sides 3 and 4 to the housing. This is where slow cure epoxy is very helpful as there are a lot of gluing surfaces. Be sure to add a layer of epoxy to each of the inner connection edges to add extra strength and weather-proofing.
* Build the top by epoxying the layers to each other. Be sure the hole in the center remains in line
* Attach the cable tie-off to the top:
* Feed the power cable through the top and connect to the Raspberry Pi.
* Epoxy the top to the housing, making sure to apply glue to all connecting surfaces of each of the tabs.