Fidget Spinner With Moveable Balls
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This 2017 megatrend fidget spinner boasts seven 12mm ball bearings that move due to centrifugal force within sliding block guides. For technically-inclined individuals, the minimum rotational speed is approximately 184 rpm, allowing the balls to move radially against gravity. The maximum radial displacement of the balls is 6mm. The spinner's mass calculation is based on a density of 7.85 g/cm3. This simple toy demonstrates centrifugal force through an animated video rendered in KeyShot 4 with 150 frames per 3-second cycle, rotating at 180 and 20 rpm about the x and y axes respectively. The model is available in STEP file format for PTC Creo Parametric 2.0 users.
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