I've used a small piece of double sided 3M tape under the tabs instead of a zip tie.

I've got an 8x8x8in print bed. Could make some kind of a two piece deflector. The biggest part is the model or good measurements of a stock mesh

If you read the text of the linked EBay ad early in this thread ,you'll read that the mesh contributes to wind noise. That makes me wonder why we don't try a full width Lexan windblocker. I made one for my Miata and attached it to the roll bar hoops with zip ties.It has worked flawlessly for over a year. For my XKE there is a clear windblocker that curves around at each outboard edge. You can bend thin polycarbonate/acrylic with/without the heat for a hair dryer(lots on You tube).
The 3 Porsche parts are very expensive and marginally effective. By comparison ,some Lexan/Plexiglass is cheap and this project requires no mods to the car.

Oh man, I'm so with you there! The second it gets up above 40, I'm dropping the top just to curb withdrawal symptoms.

On the windblockers, I can see wanting the pieces if you happen to like the look or you're a completionist. However on mine, one car has the full length lexan windblocker, and the other has nothing at all. To be honest, I notice no difference in wind buffeting between the two whatsoever.

The "crossfire" merely duplicates the OEM item between the roll bar hoops. The proposal was for a full width piece of lexan/plexiglass spanning the entire width of the car, including the voids in the driver & passenger hoops.
If you span the entire width with a windblocker, the mesh is redundant.

Looking like my patio door more than anything else but I'm sure it's effective ;)

http://www.yostwerks.com/BoxWindK.jpg

Source: DIY Boxster Wind Deflector

Yes, that is better !
I agree this example is clumsily detailed. The straps are needlessly large and should be silver colored to blend with the hoops.
An alternative fitting is the special screws used to fit motorcycle windshields. Get the stainless steel. They are sometimes called "Wellnuts" .Only $1 each on Fleabay
Honda Motorcycle Windscreen Screws Bolt Kit Windshiled Stainless Steel | eBay
Use tinted Lexan -color of tint to blend with car paint color. Would look OEM.

Easy to trim if the shape isn't much complex. Edges are sanded using #100, #280 and finished with wet #600. You could flame polish the edge but that never look too good... gives an irregular reflective surface (looks melted regardless of how good you do it). The wet #600 gives a nice and classy matte finishing to the edge - and it look straight.

Some tips that wasn't mentioned in the previous DIY post. Just in case one catch this thread and want to go that way

I think I've seen them for $1-150 typically.

This is kinda what I'm thinking. All this needs is a little piping around the edge to give it a more finished look. It might also be cool with a different style mesh, or maybe a metal screen material of some kind.

Doesnt look like a Chrysler

I think it is the Chrysler, SupaBlu edition

Does anyone know how the plastic trim on the roll bar comes off? I have the same issue with broken tabs and am thinking of an alternative mount or screen. Want to see if the attachment could be integrated into the trim.

It's been a while, but I believe I simply began prying gently at one end of the trim and pulling it off. The trim is held on the roll bar by several expandable plastic pins.