AirVac Powerhead vacuum roller wheel
thingiverse
AirVac powerhead wheel that mounts to the front of a VM458 powerhead. The company is no longer in business and I could not find this part anywhere. I used .125 brazing rod for the axles. It's a tight fit so you may want to heat up the rod a little to slightly melt the wheel while spinning it which will loosen it slightly and therefore roll smoothly. You could also just change the dimension of the center hole to fit your need. Added fusion 360 file so you can modify it for your needs.
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