A good post worth checking out from another tutor's blog. This should be a good one for those of you who were asking today if the 3D model is just an extrusion of the section...
http://arch1101-2016rm.blogspot.com.au/2016/03/underground-sapces.html
PS: Note the stair in the first example up to the 'above' space!
http://arch1101-2016rm.blogspot.com.au/2016/03/underground-sapces.html
PS: Note the stair in the first example up to the 'above' space!