BRL's Solid Modeling CAD system (cad@arl.army.mil). (Moderated) Gatewayed to cad@arl.army.mil. Readers: 8498 (0.1%) Mesgs per month/day: 48/2 Crossposting: 0% Megs per month/day: 0.1/0.003 Sites reciving this Group: 31% Cost ratio ($US/month/rdr): 0.00