... that arrangement. As I have stated just above, because I, and perhaps others, don't fully understand the limitations of how much we can shove things around (prototypically speaking), where a seasoned railway person would, then I have trouble in getting the arrangement of timbers right and need some little help in sorting things out. I am sure I'm not alone in this dilemma. However, I shall plod on and try different approaches, until I get the formation right. All the best, Brian Nicholls. Figure 1 1853_061527_180000000.png Figure 2 1853_061528_130000000.png posted: 6 Sep 2011 21:01 from: Brian Nicholls Hi Phil, Many thanks for the response. I agree, it is best to start at the Vee nose and get those timbers right, however as I've explained to Martin, my real problem is knowing how much the Vee timbers can be moved sideways (forwards or backwards when shoving timbers) some short distance, and by what amount, before you run into trouble with the block chairs not fitting correctly? As I have said before, ...