Well, it seems we have at least a spark of interest so let's start ... everyone choose something they want to model..  Remember when modeling for something like this it's all about sharing so make it as simple or as detailed as you like, but make it easy to break down and/or modify so people can change-add-make it their own and fit in their scene and scale...

 

I think I'll start myself with a fireplace. I might even make a few diff mantles and surrounds ..?

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Hexagon, Carrara, Sculptris, and recently Sketchup.