Rubik's sphere
thingiverse
Developing a smoother motion for a spherical Rubik's Cube involves upgrading its mechanical components. Small bearings, such as those found at Amazon (5x11x4mm Replacement Precision Bearings MR115-2RSBU), were installed to enhance the cube's rotational precision. To secure these upgrades, thread forming screws like McMaster Carr's 99512A265 are used to create a strong and precise attachment system.
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