Vertical Windmill with bearings and stand
thingiverse
I looked at the 6 blade version and wanted to give it a try, but as a windmill. I modified the center hub to have an upper and a lower bearing. The size is the same as the ones I ordered for my filament stand (TUSH style). Then I built a stand (printed at 100% infill for the weight) which is basically the shaft for the bearings to attach to and clearances to the thing to spin. I designed and printed at the exact diameter of the bearings knowing that I would have to sand a bit to get the bearings to fit. 100% infill on the stand 10% infill on the 6 blade fan. Doesn't work for crap as a windmill... or my bearings don't spin free enough... heck, they ARE cheap.
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