Creating an instrument display mod: where to start?

I’ve been thinking about creating a mod for the steam gauge 172 that has two Garmin G5 displays (attitude and HSI) in it, as the plane I’m flying IRL has these features and it would be neat to have them in the sim to practice with them. I have a game development/programming background so I have an idea of how to make this (create G5 model, mod them into the C172 model cockpit, and project the corresponding elements that the G1000 and G5 share onto each display model), but as far as the instrument UI code goes, I haven’t been able to find a good starting point with it from where I’ve been looking in the SDK. What I’m mainly looking for is code related to getting the UI displays onto a particular mesh; if anyone could guide me in the right direction I’d really appreciate it!