A Summer Structure Challenge in Three Parts

[ngauger]

can you scratchbuild out of wood?????

If you can errr if "I" can.... I'll be building this:

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For the MF&W..... Now, someone is going to have to verify what the heck I'm building here
The pic says Fan House ..... I'm guessing its a ventilation system for mines?????

I'm going to attempt to build the main "house" but if I can - I'm going to try for both