I've wondered about it... rather than a perforated, how about an opaque rollout shade?

 

two words: pillow covers.

and if you want to be classy you can upgrade to silk

theres a company on the cessna website that makes custom airplane/car shades. Ill look the link up later.

 

I'm interested in picking up a nice sunshade too. Need one or my car will be a sauna!

 

Stratmosphere

 

I made my self a retractible opaque shade for the sunroof.....this is NOT a cardboard place-in thing that you put in or out each time you need to use it to block the overhead sun blaring through the mesh...mine is a permanent retractible opaque shade that you can use, or when not in use it rolls up to be basically invisible, and then you can still use or not use the mesh shade or the sunroof glass...you can even have the front half opaque and leave the rear half mesh so the sun overhead is blocked, but light can still filter through the mesh behind in to the car....the shade is shiny and light colored on the outside of the shade to reflect the heat of the sun out of the car. The shade is easily and permanently attached with no drilling or modificaton and can be removed easily if desires....I posted this elsewhere....I am trying to find a manufacturer but no luck yet....will keep y'all posted.....anyone have access to a manufacturer?

This might umltimately be made in a kit form so the user could choose their own fabric and do a little of the assembly themselves