Hello, I’m new to zbrush and have just run into a problem, where zbrush won’t allow me to lower the poly-resolution, beacuse it appearently contains triangles. Without a lower resolution (if I understood this correctly), I can’t use UV-master to unwrap my Project, which I need to create a texture map.
Does anyone know, how to get rid of these triangles or how to avoid them in the first place? Maybe there’s also a solution to get a texture map without the UV-master or another way to export the file to then render it or whatever.
Thanks in advance, all help is appreciated.
A high res mesh is usually better for texture maps as it allows more detail. But if you really need to get rid of tris, ZRemesher does a decent job.
You can only use the Reconstruct Subdivision option if the geometry you have is possible through subdivision in the first place; the presence of a triangle means this isn’t the case (as a single level of subdivision would have turned any triangles into 3 quads).
- If your subtool is already lowpoly (under 150k ish points) then you can create UVs, then start subdividing the subtool in order to begin polypainting.
- If your mesh is too highpoly for UVs (perhaps dynamesh was used), then you'll need to duplicate the model, retopologize that into a lowpoly mesh with UVs, and then project the detail from the old subtool to the new one. See the "Duplicating Your Subtool" steps [here](http://docs.pixologic.com/user-guide/3d-modeling/topology/zremesher/transferring-detail/).
- Some programs are capable of reading the polypaint (vertex color) information from zbrush exports (obj and especially fbx), so if you're just wanting to render the model elsewhere then it is possible that UVs may not be a hard requirement.