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    Interesting project, but a little light on the technical aspects of how it was built maybe.

    Also, I’m much more upset than I reasonably should be about the fact that the author is using Apple’s “retina” moniker for this projector. Retina is an empty, undefined branding Apple likes to throw around, but it usually means high DPI/PPI. This is a high resolution projector, but the PPI is still very low at 12 pixels per inch.