i left the walls de-mentions standard bdfd, i was lazy i guess .
the material used for building walls is something named Block 6 ,the size 25cm x 30cm x 40cm ,but am not sure about that




ok i conna share the Plumbing and the Electrical , i made it to a library file .
And how knows maybe they are good for the "Free 3D models created by contributors" page


Plumbing
Electrical installation material

and some extras [:x]