The fastest way to cut radii on YouTube?

This method uses the tool shank as a stop to position the desired radius centre over the rotary table centre.
Swapping between a smaller stop pin & the cutter will enable rads to be cut inside the perimeter of the block.
It is also possible to use the spindle boss as a stop if there is sufficient clearance, this enables the tool to remain in the spindle.

[@jimsvideos7201]

Εύρηκα!

[@joell439]

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[@bambukouk]

brilliant!
thanks 👍