CAD as practiced by customers of Autodesk. Readers: 19000 (0.3%) {71%} Mesgs per month/day: 1142/38 {70%} Crossposting: 16% {54%} Megs per month/day: 1.2/0.040 {60%} Sites reciving this Group: 56% Cost ratio ($US/month/rdr): 0.03