tag4dTag4D Filter UI and How it works?: Once you have the script install and c4d is restart. To get the Tag4D Filter window to pop-up, go to your Extensions menu or Scripts(in older c4d's) menu, like the image below. The Tag4D Filter UIThe white Vertex Normals in the image initially point in the direction of the polygon Normals (left without a Phong tag). For shading, a Normal (the Shading Normal) interpolated between