High 2+2

I've added a couple of minor designs to my site:
- a 5 ft high version of the 2+2, to give better headroom (bottom of the page);
- a revised version of the Cabin Car design, now with full geometry info.
Andrew
- a 5 ft high version of the 2+2, to give better headroom (bottom of the page);
- a revised version of the Cabin Car design, now with full geometry info.
Andrew