Creo NC Sheetmetal > Manufacturing Parameters > Common Parameters > Cut Params
  
Cut Params
TOLERANCE—Machine tools move in small straight line increments to approximate curved geometry. The maximum distance that the straight line path deviates from the curved geometry is set by TOLERANCE. The default TOLERANCE is -1.
Cut Param Tolerance
1. Tool
2. Tool centerline path
3. TOLERANCE
4. Design surface
5. Machined surface