A4 Mallard flanged driver
thingiverse
This is a 54.85mm(61.6mm at the flange) driving wheel based off the A4 Mallard. The axle needs to be filed a bit and the round hole widened with a 3/16 drill bit or possibly 4.8mm. The v3 model has the spokes extending to the back of the hub and might print cleaner.
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