I am trying to model a very irregularly-shaped roof. I tried Loft Surface initially which was ok but not as precise as I wanted. Then I plotted a load of 3D Loci over the surface of the roof (point cloud), created a Site Model + Ungrouped it to give me a mesh. It looks great but I would really like it to have a thickness (be a solid). I have tried various options including a very laborious Shell Solid operation which kind of worked but not really... Is there anything else I can do? I only want i