2D Lines in Blender

Hi!

Is there anyway to trace a bezier curve with a 2d line? Or anything that would provide a similar effect?

Thanks!

Explain/show what you mean

If you had a 3d Bezier curve as an Object in Blender, button 2D on curves Data tab flattens curve against xy plane.
Alternatively, you could convert curve to mesh Alt-c and scale Z0 vertices.