Anycubic Predator D Raspberry Pi mount

I've used this case design on several of my printer projects as it's a nice simple design with good mounting lugs and holds the Pi securely with full access to the necessary slots and port required for Octoprint.
My latest purchase has been an Anycubic Predator D which has proprietry castings / extrusions for the main frame and I can't bring myself to drill holes in it. The electronics are contained in a steel enclosure at the top of the printer and whilst there is sufficient room inside for