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A Fidget Spinner is a little toy built around a centered bearing and weight in three arms to help it spin fast and long. Since the fidget spinner is. ... Finally, with a bobbin-full of new magnet wire ...
Now, they’re fidget spinners. [Matlek] designed a fidget spinner that also functions as a simple lab centrifuge. The centrifuge was designed in Fusion 360, and was apparently as easy as drawing ...