I don't know what that means on the plans. SD in a circle.
OK so you think a Firefighter would know that! I got it.
I believe that is where the map of South Dakota goes in your cabin. ;D
Maybe = siding ???
It's where the Secure Digital card slot goes. You can download your pictures and the house will replicate them. It's a great way to make walls and give them color and texture.
:P
Why do I think we're going to be :-[
Not to restrict the fun definitions here, but if someone hasn't figured this out yet, it is the symbol for a smoke detector.
And thus the point of one of the three most important parts of a planset: a good Legend
The other two being, coordinate system (North arrow), and scale.
and we had this [glb]huge[/glb] clue.
Nevada Mike, the Firefighter, got it!
;)
I am sorry to say the firefighter spent several hours looking for the answer!