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1. Show HN: We built a hidden micro-bearing system inside a 2mm ring 4 points by spinity 82 days ago | past | 7 comments 2. Ask HN: How can entrepreneurs find a place in innovation, business manufacturing 1 point by spinity 4 months ago | past 3. [flagged] Show HN: I engineered a 2mm micro-bearing D20 ring that free-spin for 20 seconds 23 points by spinity 4 months ago | past | 14 comments 4. Ask HN: Do smooth, wearable spinning rings (fidget-spinners) exist? 2 points by spinity 4 months ago | past | 6 comments

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