The industry may be about to get itself a second Antares. Electronic News reports that Mentor Graphics Corp will spin off its Model Technology and Exemplar Logic personal computer-based design software subsidiaries into a new unit, which like the joint venture between Amdahl Corp and Electronic Data Systems Corp, takes the name of the Antares star in the constellation of Scorpio. Mentor said it will focus on the development of its high-end Unix electronic design automation software.