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How to export a polypainted model from ZBrush 4 (answered)

ZBrush Usage Questions
#1

Hello Everyone,

I would like to sculpt and polypaint a model in ZBrush 4; then, import it into PS CS5 as an .obj file for additional painting. However, when I import the .obj file from ZB into PS, while the layer shows a Diffuse texture (which I take to be color), the polypainting is gone. Is there a way to do this?

DocPit

#2

I would like to know this as well.

#3

I don’t have CS5 but I guess that it can’t read polypaint data. (Polypaint data can be exported in an OBJ but most apps won’t automatically read it.)

You will need to convert the polypaint into a texture map:

  1. Make sure your model has UVs.
  2. Set the Tool>UV Map>UV Map Size slider to the size texture you want.
  3. Make sure RGB is on and RGB INtensity set to 100.
  4. Press Tool>Texture Map>New from Polypaint.
  5. Export the OBJ.

Exporting the OBJ should also export a BMP file of the same name for the texture. If you need to export this separately then:

  1. Press Tool>Texture Map>Clone Txtr. This copies the map to the main Texture palette.
  2. Press Texture>Export to export the texture.