I hope the much awaited editor will make the jump in fitting users' hand from a sock to a glove.

How about the following, would it be possible?:
Make a surface and some solids in a 3D soft and somehow make it a level (wmp). From what I see in the wiki, a wmp file is readable and (hopefully) editable. No offense but WED is so... coarse and hard to work with. I almost feel like I'd be better off calculating all the coords on the paper and plugging them in a coded form