I'm going to draw a bright red line from here:
To here:
I just measured my flat-screen Beetle. The windshield is 42" across at the base. The top have a curved edge most cars don't offer.
If you want to go head over heels down the geodesic rabbit-hole, you could do worse than Domerama.
Here's a pattern that shows how to turn a sheet into a compound curve with three relatively small incisions.
Cover Templates for 3v 5/9 Geodesic Dome » Domerama