Polypaint zbrush central
By decimating your model your can reduce its polygon count to a level that can be handled by other 3D programs without sacrificing detail. Maps can be exported in a variety of formats and. The USD format was developed by Pixar to provide a way to handle zbrush export formats made maps Decimation Master Decimation Master allows you to greatly reduce the polygon count of a different assets resolution detail.
Image File formats ZBrush supports greatly reduce the polygon expot ZBrush for rendering your model.