(...) noticed the shed and locomotive (wow!) but I can't figure out what is going in the "sheddetail1.jpg" image showing a round window. I've built round windows using those inverse half-arches, but these are all a lot bigger than the one you show. (...) (22 years ago, 11-Jul-02, to lugnet.build.arch)
(...) The easiest way is to use Technic pins inserted into bottoms of both arches, or the technic pin with stud. Peter (22 years ago, 16-Jul-02, to lugnet.build.arch)
I've built a window exactly as you describe. Pics at (URL) The inverse arch is held from sliding back into the building by protruding pieces behind it, but it can (and does) fall out the front. Roy (...) (22 years ago, 20-Aug-02, to lugnet.build.arch)
