Just for reference, I lifted the nylon for a shot of the sides and back, to allow a better idea of the original construction of the box, the simplicity of the adjustable sides and exhaust port.
It’s somewhere on the list of a thousand things to do, but I plan on shaping and sewing or welding the nylon to make it a bit more appealing to the eye. The only thing that would change that would be if I thought I might make a new, foot wider one (i.e., the table would be three feet wide and two feet deep.