The chaining menu of Curve Path allows wireframe selection for Marking or 2D cutting.

• Window selection filter

  This dropdown menu sets the behavior of a window selection (holding the mouse left button pressed, moving the cursor, and releasing the mouse button).

• Closed chains only
  This option will only select the closed loop wireframe.

  

• Open chains only
  This option will only select the open loop wireframe.

  

• Mixed
  This option will select both the open and closed loops.