<---- Here is my working room, here I build my models that I later on move over to the main layout room.
Layout info:
size: 2,5 meters wide 5 meters long.

 

Here is my main layout room!---->
Layout info:
Size: 3 meters wide and 6 meters long. The highest point is around 2,4 meters above the floor and the lowest vally is around 20 centimeters above the floor. The lowest track is on 1,3 meters and the highest track is on 1,65 meters. I have used around 90 meters of Flextrack for both layouts.