loads OK, but I think it was a bit slow first time.
Interesting point about being only officially licensed Ivor model.
Personally I prefer plastic to card, and would use card version as a template.
There was a range many years ago which came of sticky-back paper(basically an A4 sized label), so all you had to do was cut out stick to plastic, then cut out plastic shape and removing paper. I used to print out some door/window designs this way before I discovered mashed paper.
Narrow gauge Francophile interested in 1m, 60cm,50cm , 40cm and smaller gauges . Build in scales from 1/6th to 1/24th. Also 1/32nd and 1/35th using 16.5mm track to represent 50cm and 60cm gauges. http://www.rue-d-etropal.com