Many thanks Dorin for this suggestion; this is indeed what I did in the end. I thought that I had seen a mention of a different way. Something like the MS Office feature (move one level forward/back/to back/to front) would be good. Sadly I have no idea how to implement such a change :-( but I really ...

Hi, I gather from a remark somewhere in the help file that there might be a new way of stacking objects vertically in 2D view (e.g. chair above carpet) using a new parameter in v5.1. I can't find a specific reference to it yet. Can anyone point me to this? Many thanks. Great program [:)]