I’m looking at making one of these too, but have hit the same wall. I’m waiting for a few quotes. I’m at this point getting a quote for the whole sheet and asking for it to be cut in to as many pieces as possible of my rough monitor size (have a few old monitors at work that will be suitable, but I’m just going for a ballpark size at this point). Was going to flog off the rest of the pieces on ebay/gumtree/reddit/now-that-ive-found-you-here-too to try to break even.
I’ll report back once I get a quote. If anyone wants to get in on a group buy I’d happily sell the piece at cost for pre-orders, otherwise I’ll probably try and make some money back if I have to wear the risk and sell it on ebay.