Scatch building hangers, buildings, etc?

Tools, Techniques, and Reference Materials Techniques
1

Where is good place to find plans for scatch building hangers, buildings, etc?
You know…basic lay outs, etc.
Is there a program you use?

2

What theatre of operations are you thinking of, what nationality etc. , modern or WWII ?give me a little more info and I might be able to help.

3

the problem i have is what materials to use to create cobble street stone for a WWII (1943) russian street any suggestions

4

craig ferguson, check out Verlinden or other model railway suppliers, you should find plenty to be of help there.

5

sci-fi, but the year is like 2010 or something like that. (macross robotech)
So… modern USA/Japan