I am wondering if there is a way for me to create 3D divided highways in Blender using Nurbs curves?
Here is a sample image of a divided highway, as shown in the interchange:
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3$\begingroup$ Hi, please describe a bit more your project: I guess you are not trying to reproduce exactly such image above... why you need specifically nurbs curves? I think you could have an easier path using just curves (splines), with an extrude amount, eg. $\endgroup$ – m.ardito Nov 5 '17 at 8:51
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You cannot extrude a complete branch from a vertex mid curve but you can extrude (E-key) a single vertex out (t just hangs loose from the main body of the curve), then extrude it back to the fork location.
Use another curve object that is just a small straight line to bevel the shape of the road.
