Many thanks for the tip on  the OBJ file . Rhino can export in that format

I did a few more experiments and found to be able to import textures in both 3DS and OBJ formats. What I still can´t do is to import the Flamingo material assigned to the model ( horizontal tail surface in the example below)

( Above: plane with wood textured wings and diferent texture mapping in each wing in Bryce, but lacking the tile horizontal tail  Flamingo tile material)

Regards, Joao