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ComicCons have grown from a niche "nerdy" hobby to a full-blown industry--San Diego's famous ComicCon has an estimated three-year impact of $488.4 million on the local economy--and with it, the world of "cosplay" (short for costume play) has grown as well. We talked to some dedicated cosplayers to find out how they make their costumes.

'Cuz The Muppets gotta work too.