This needs a little bit more work. But is mostly functional for now. I had a bit of trouble fitting it square to the case. I broke the screw hole tab. I would love to make this printable without supports, fit a wide range of cases, use minimal print time and plastic and make it look pretty.
The author remixed this model.
A crude remix of Guy122830's design. It prints on a 120mm bed and clears the motherboard components unlike the previous model which was not designed to sit above a motherboard.