I have come across LEDIT on a Mac before - I doubt it is still supported, but you might check. It is capable of saving in GDSII and CIF file formats. William Benard ________________________________________________________________ MEMS-Exchange, CNRI, 1895 Preston White Dr. (703) 620-8990 (ph) Ste 100, Reston, VA, 20191-5434 (703) 262-5367 (fax) www.mems-exchange.org www.cnri.reston.va.us ________________________________________________________________ > Subject: [mems-talk] masks on a mac? > > So what software has anyone successfully used to design photomasks on a > Macintosh? > > --Tom Metcalf