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Startups & Venture·July 31, 2026·1 min read

What’s his angle? Teen frustrated by plastic protractor reimagines the classic classroom tool

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A teen spinning classroom frustration into a precision-machined protractor is a small but clear example of how low-cost manufacturing and crowdfunding keep lowering the bar for hardware experiments. For operators, it’s a reminder that niche pain points can now attract credible micro-brands faster than incumbents can react.