Hurricane gear

Its one of the gears of the Hurricane RC car

The dimensions should be x10.28 y10.28 z4.90 mm that is the rounded number the exact number is x10.2788 y10.2788 z4.90272 mm

You can only really print this replacement gear on a resin printer with a durable resin like this tough resin

https://eu.elegoo.com/products/elegoo-tough-resin

Or you could cnc it slash order it from pcbway

its cheaper just to to buy a new set of metal parts for the Hurricane

https://www.rcgarage.com/products/trc-1-18-upgrade-alloy-diff-gear-set-fr-rr-suit-thunder-hurricane-storm-18401-20?_pos=7&_sid=ab26800d3&_ss=r

https://www.rcgarage.com/products/trc-1-18-fr-rr-diff-pinions-2pcs-18301-21?pr_prod_strat=e5_desc&pr_rec_id=949b03083&pr_rec_pid=1833267855431&pr_ref_pid=9392476291312&pr_seq=uniform

https://morfars.dk/products/hurricane-upgrade-steel-driveline?variant=44093444948281