John,
pop over to the CyberForum (GO CYBERFORUM) and search the libs for keyword
MAC. There are a couple freeware things up there (beta releases or such) and a
demo of the commercial ViviStar Qd3d library (for Think C/TCL)
ViviStar Consulting can also be reached directly at 73067,542
or 7015E Aster Dr. Scottsdale AZ, USA 85254, (602) 483-3123
Jerry Isdale