If the edges are straight you can just draw edges down from the corners and join the dots to create a skirt.
Or use one of various tools, vertex tools, extrude tools, skirt, toposhaper just to name a few.
If the edges are straight you can just draw edges down from the corners and join the dots to create a skirt.
Or use one of various tools, vertex tools, extrude tools, skirt, toposhaper just to name a few.