A product to make it easier to change a car’s oil was named Startup Weekend’s top idea last night.

Part of Global Entrepreneurship Week, the Philadelphia edition was one of 200 events around the world. More than 80 participated throughout the weekend, held at the University City location of the 1776 coworking space. Attendees pitched business and product ideas Friday night and formed teams and sprinted to pitch their ideas Sunday night to a panel of judges, including this reporter.

The goal of the weekend is to introduce attendees to the basics of lean startup methodology and other entrepreneurship norms promoted by TechStars, the primary driver of the Startup Weekend franchise. Nine ideas were pitched, almost all mobile apps and software tools. But the night’s winner proved something else entirely: an automotive product that was developed by a team of mechanical engineers and car enthusiasts and prototyped with a 3D printer Saturday morning.

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