Helical Wheel Drawing Programs

[Michael J. McLeish]

Does anyone know of any windows (or dos) based programs for drawing helical 
wheels?

Thanks

Mike
Michael J. McLeish Ph.D.                 :  Michael_m at vcp.monash.edu.au
Department of Medicinal Chemistry
Victorian College of Pharmacy 
Monash University
Parkville VIC 3052
AUSTRALIA