The 3d might be looking "better" at home because as the ratio between the size of the screen against viewing distance increases, "roundness" also increases----meaning the further away from the screen you are, the deeper the 3d looks. and since a tv screen (or even projector screen) is many times smaller than a movie theater screen, it's easy to get twice, 3 times, or even more times the display size's distance away relatively easily. You can test this property out by viewing a freeze frame at different distances and see the "movie world" compress and expand.
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