http://mdtlc.sf.net (sourceforge) Have the basics for single ended and differential. The solder mask drawing routine is too basic, but useable if you define the traces with some some slope on the ends. Hope to add coplanar by the end of the year. If this post repeats, it's something to do with yahoo mail. ------------------------------------------------------------------ To unsubscribe from si-list: si-list-request@xxxxxxxxxxxxx with 'unsubscribe' in the Subject field or to administer your membership from a web page, go to: //www.freelists.org/webpage/si-list For help: si-list-request@xxxxxxxxxxxxx with 'help' in the Subject field List technical documents are available at: http://www.si-list.net List archives are viewable at: //www.freelists.org/archives/si-list or at our remote archives: http://groups.yahoo.com/group/si-list/messages Old (prior to June 6, 2001) list archives are viewable at: http://www.qsl.net/wb6tpu