CNC Gears Made From Baltic Birch

If I have a CNC router and haven’t made wooden gears – isn’t that a crime?

http://geargenerator.com -> SVG -> InkScape -> EPS -> VCarve Pro -> WinCNC -> CAMaster CNC Router -> Baltic Birch -> Gears

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They run very smoothly.  Next I need to improve the mounting.  I’m thinking either real bearings or HDPE bushings.