maybe i have no idea about anything, but can't you get a bad mamma video projector for about $2k and project something with the same resolution over an entire wall?
“An engineer explained to us that hundreds of ear impressions were gathered in the name of research, and while each one obviously boasted its own unique shape and size, one single characteristic remained uniform across the board: the entrance into the ear canal is not a perfect circle, it's an oval.”
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maybe i have no idea about anything, but can't you get a bad mamma video projector for about $2k and project something with the same resolution over an entire wall?