I have seen that about as well as the frex one. I don't like them all that much because of the distortion. If I had something like that I would want to be able to look around, not just keep my head still in the middle because the image anywhere else is too objectionable.
I have looked at doing this properly in the past but the cost of the tooling to get the corrective optics made would make it more $$ than worth it for me and I am not about to take the risk that I could sell a bunch of them to get the price down.
So, I like the idea but I don't like the low cost implementations, I reckon a flatscreen projector would be better too.
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