So I have always been put off by the abrupt meeting of a layout board and a backdrop, with no impression of depth given so as I look to plan my next layout, I'm giving the situation serious consideration.  Its not helped by articles in the modelling press of recent years showing how easily depth can be crammed into very small spaces, and yet, I find myself hesitant to give up such space to a back scene.   So I thought it might be interesting to discuss the merits of modelling just the