What does SD mean?

[Nevada_Mike]

I don't know what that means on the plans. SD in a circle.

[Nevada_Mike]

OK so you think a Firefighter would know that! I got it.

[borgdog]

I believe that is where the map of South Dakota goes in your cabin.  

[Chuckca]

Maybe = siding

[Amanda_931]

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.

 




Why do I think we're going to be  

[jraabe]

Not to restrict the fun definitions here, but if someone hasn't figured this out yet, it is the symbol for a smoke detector.

[Daddymem]

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.

[Amanda_931]

and we had this [glb]huge[/glb] clue.

Nevada Mike, the Firefighter, got it!

[Nevada_Mike]

I am sorry to say the firefighter spent several hours looking for the answer!