Two color (separate printing) spinner
myminifactory
Print the side and center of the spinner in contrasting colors. One side of the central piece requires a light sanding to achieve the desired texture. Assemble them by simply placing them together. The bearings hold securely without adhesive, but adding a small drop of glue provides extra stability. In Scad and Stl files, a hole for the bearing is specified at 22.1mm in diameter for a snug fit, suitable for use with Cura software and a nozzle size of 0.3mm. For spinner caps, I recommend using the Ultimate Spinner Button Cap Low Profile Rounded by silyavski, available on Thingiverse (http://www.thingiverse.com/thing:2136665), scaled up to 104.5% for a precise fit and printed with support, cap facing upwards.
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