wow that needs some work! A way of sorting this might be to find some scale model plans and scale them up. Mike Church or Geoff Lacey I think did plans
Welcome on board and a nice selection of vehicles you mention there
There is a few shots I can think of showing the Dennis Tipper, one with a Ruston Bucyrus Crane Shovel and one with some Churchill's goings past with snow camo
Have a good day down at Thetford, was planning on coming but had to stay in London. Did see all the signs up advertising the open day when I went past the other day though, should get a good turn out