Surface Fence panel

Use this function to create fence surfaces, which are ruled surfaces that originate from a curve lying on a surface, in a direction perpendicular to the surface for a given length. The curves do not need to lie precisely on the surface. They will be projected normal to the surface automatically. Besides surfaces, you can also use this function to create sheet solids or meshes.

A flat surface.  Fence surface that is created from the existing flat surface.

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