Gojo / Purell gear

I have a Gojo LTX-7 soap dispenser that stopped dispensing soap. It would dispense half a dose and then stop, but i could hear the motor still spinning.

Upon disassembly and inspection i found that the gear that sits on the motor shaft had cracked, letting the axle spin inside the gear hole.

Designed and printed this replacement.

On my printer the centre hole was not printed to the dimensions given, so if you have trouble putting it on the axle, please drill out the centre hole with a 2