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Featured image: Laura Mathews shows off her big mechanical wings.
Open Sauce, the engineering YouTube convention inspired by Maker Faire, once again invited makers to fill the San Mateo County Event Center with wacky projects for people to be impressed by. This was the second year the event was in San Mateo, and there were more exhibits filling up more rooms than before. Many exhibits were longtime favorites, like BattleBots teams, the amazing art car Project Empire (featured in Make: Volume 87), and giant inflatable costumes from Devising Delight (featured in Make: Volume 97). There were also plenty of first-time exhibitors who built a project just for the event. Though tickets aren’t cheap, this is not always the cheapest way to see the show (just ask the team who spent $9,000 turning a