How do you make 3D2D be seen through walls?

As title say’s - how would I do this? So I can see drawn 3D2D visuals through map walls?

[editline]5th February 2017[/editline]

Oh, solved it thanks:



cam.Start3D2D()
    cam.IgnoreZ(true)
        -- Code
    cam.IgnoreZ(false)
cam.End3D2D()