Method with Variable Contour :
Drive Method > Surface Aera or Streamline
Tool Axis > Swarf Drive or Relative to Drive
Projection Vector > Tool axis or Toward Drive (if you have a taper Angle on the tool ,it is better)
Production: NX220.127.116.11,VERICUT 8.1.2
Development: Tcl/Tk, Gnuplot
You can use use contour Profile with multiple depths, but only with zig pattern and NCM connections in between (not helical path ans you probably want here).