A variable radii cutter which eliminates the need for having to provide a wide
assortment of cutting tool bits for continuously imparting various sizes of radii
on a workpiece is disclosed. In one embodiment, the variable radii cutter has a
cutter in the form of a plurality of blades which mechanically expand and contract
in response to one of an automated adjustment mechanism and a manual adjustment
for accommodating various sizes of radii. In another embodiment, a ball made of
rubber having an abrasive disposed thereon is used as the cutter and operates in
the same manner as described above.
