This document describes how to assemble a X3L case for the Omega Home Computer.
Begin by building the floppy tray, it's simple and will get you started.
There are multiple ways of installing the dc-adapter from MSXmakers!. If you are using a panel mount DC barrel connector configuration, the dc-adapter tray will help you attaching the dc-adapter to the computer case.
The rest of the computer case can be built following the provided instructions.