You can order it from Dazian directly, or I think they have an Ebay store as well. Just built a wood frame and stretched it around the frame and secured it with double faced adhesive velcro.
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M80s-VP180-4xM22ow-4xM3ic-EP600-2xEP350
Anthem AVM60 Outlaw 7700 Emotiva A500 Epson 5040UB