It's more easy with this crazzy free TopMod 😉

Else you can in sketchup with Artisan 😉

make a rectangular tubular forms then subdivide them 😉

[flash=420,315:25wkk97y]http://www.youtube.com/v/bvqDlLYkPXU[/flash:25wkk97y]

See the videos under cuviloft for ideas. You can make the roof easily.
See the first overall video second example. Stitches single lines together thereby defining the plane.

@ jazette

yes, i would like to see some work from you
you may pm me...

Very nice, Mr. cept (or, may I call you Kong?)
At first glance at the exterior image, wasn't sure which was model and which was photograph.