Returning to expel the benefits of rendering with VRay in Cinema 4D,  Josef Bsharah shows how to create an effect using the V-Ray Edges Shader and a rendering override to create the wireframe on clay look in his scene.

Quick video about using the new Edges shader and the override option in the vray general optionsJosef Bsharah

The V-Ray Edges Texture is a texture map that can achieve an effect similar to how the wireframe materials are in 3ds Max, allowing you to render out the wire frame of a mesh easily. Joseph always has insightful tutorials on Cinema 4D and using VRayforC4D over on his site, check it out.