I found a very old post (2001) where it is said that ZB fibers, which can be created in 2.5D or 3D, can only be rendered in ZB and not exported to external applications.
Is this changed in the meantime ? I really would like to know if and how to create a fur surface, or hair, and export it to Poser, for example.
Generally, shaders don’t export between applications. Your external rendering application may or may not have it’s own “fur” shader equivalent.