Don't waste your time with PVC. Get some 14 gauge square tubing and weld your own panel blind. We built 6- 7' panels and 2 end panels and covered them welded wire fence with fast grass on top of that. Then wove bungee cord through the fast grass to stick natural cover in the blind. Total cost was probably $350 and it should last us forever. The panels attach with pins. If you think it's something you may want to do let me know and I will post some more detailed pictures.
I just noticed you already built the pvc blind. Sorry. Offer stands for anyone else who may want to build one.