Canon FD 55mm f/1.2 SSC seamless lens gear

Simple seamless lens gears for the Canon FD 55mm f/1.2 SSC for the use with a follow focus

Designed in Fusion360 with the help of GearDXF.
You can watch the (simple) design process here: https://youtu.be/8_pB6rcDNZg

It's a tight fit, so some sanding on the inside might be required :)