You can 3print now you own Real Riders for custom Hotwheels and other 1/64 diecast brands. You can choose form 10mm, 12mm, and 14mm diameter. Idealy print using a 0.2 mm diameter noozle. ABS for the wheels, and Flexible filament for the tyres. When using flexible filament, make sure you have your retraction setting off.
As for the axle or shaft, you can use donnors from base wheels, or you can make your own using a straigtened Steel 0.035” wire. Hope you enjoy them, and post pics of you customs riding on these wheels. Enjoy, and keep visiting my library, will be posting new wheels each Wednesday