Thanks for the tip. Have just experimented with VIEWBASE and it answers a lot of issues I have faced hsitorically. Just wish I'd joined this forum 10 years ago! The Viewbase help gives no indication how to change the default projection from 3rd to 1st angle, however a quick search helped to resolve that issue. Is it possible to create projected views other than Front, Back, Left, Right etc? Sometimes, typically when working on doubly mitred inclined members, I find it useful to show a projected view at an angle to the member axis to illustrate the mitre radius.