I built an expandable solar roof for my Tesla
old.reddit.comThis type of solution could be pretty great if you don't drive your car everyday.
Generous of the designer to release it all for free! Directly downloadable from their site:
Cool! I actually did a similar project this year, though not expandable:
That's neat, though why do the two metal rails stick out over the windshield?
Also, dcsm is compelling.. are you located in The Bay by chance?