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: NX18.104.22.168,VERICUT 7.3.3
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).