The tolerances located on the Part compare tab of the Simulation Options dialog box.
Regions that have extra material greater or equal to the Show rest material parameter this amount are shown in blue. The more rest material there is, the darker the shade of blue.
Regions with gouges greater than or equal to the Show gouge parameter are shown in yellow. Larger gouges are shown in red.
Regions with rest material less than the Show rest material parameter or gouges less than the Show gouge number are shown in green. These areas are considered correctly cut.
Note, if either the Show rest material number or the Show gouge number is set too small, then the part comparison will be very noisy and difficult to interpret.
Target part tessellation tolerance
See also Rapidcut simulation and Generating/simulating toolpaths.