Super Mesh Zigzag Pattern
In this grasshopper example file you can create a pattern on any NURBS surface by converting it to a super mesh.
SuperMesh Toolkit
SuperMesh Toolkit by George Adamopoulos allows you to easily design a large variety of regular or irregular patterns on NURBS Surfaces of any curvature, by tessellating them to special quad-like Meshes, topologically structured in rows and columns.