push the glass railing back to right up against the vertical trusses push the glass windows doors back to the second circular opening to the outside make the two cylinders the same gray matte metal material that the trusses are make the white piece at the top the same matte gray metal material as the cylinders and the vertical trusses place museum exhibits about steam in this space because it is meant to be used for learning change the material on the white wall to a different matte white metal material the left wall should be glass with the metallic copper piping behind it place the copper piping in clusters of five pipes along just that one wall