Given the surface from attached picture:
The surface has got a width of 16 meters. I would like to create 4 (must be variable) surfaces in the mid of this surface with a width of 3 (must also be variable) meters. This means i have got 2 meters left on each side. Is there any way to do this and make it all variable?
To be more clear i have attached this picture:
EDIT: Click on the picture to see the measurements.
Hoping i am clear enough,
Thanks in advance.