Foam Wheel Hub - Direct Mount 3mm
This hub is designed to have a Crosslinked Polyethylene or EVA foam tire adhered to it.
Hollow Hub Core
The center of the hub is mostly hollow. This allows for a bit more compliance in the wheel while still maintaining strength.
Modifying the Shaft Collar Size
All of the features in fusion 360 are labeled to make it easier to see what each does. Right click on the ‘Collar Hole’ feature to edit the parameters as needed.