This may sound dumb, but what is the proper way to measure a radius of a ball nose bit? I would like to create a tool library in F360 that uses the Carbide3d tools. Normally one would think for the .25" bit you could use .125", but it almost looks as if there is a small flat spot on bottom.
My inclination would be to cut a slot into the open face of stock, then measure the cut.
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