I just came across this:
GRAPHISOFT Announces Rhinoceros – ARCHICAD Connection
“We welcome Rhinoceros into the ARCHICAD community,” said László Vértesi, GRAPHISOFT Vice President of Product Development. “Rhino provides a robust modeling capability that nicely compliments the ARCHICAD BIM solution.”
This technology has been developed as part of an ongoing collaboration between GRAPHISOFT and Nikken Sekkei that aims to develop future technologies for architectural design.
One of the world’s largest architectural design firms with over 2,400 professional staff, Nikken Sekkei and its eight Group companies offer comprehensive design, engineering, management, consulting and R&D services.