This place does nice work but not cheap.
Around $400+ for a rear window.
SHIELDS Premier Windshields - Racing Windshield Pricing and Models
I used flat material and did it for closer to $150.
On both my Camaros we cold bent and attached the plexi to a frame.
My source for plastic in San Diego.
Custom Plastic Solutions for Over 100 Years | ePlastics®
This place I used said that when they make a buck and try to heat form the material it can take 3 or 4 tries to get a good piece.
