This is concept of the extractor as I see it:
I did a quick mock up of what I found in the kitchen. The stack of pans rest on a heart source. The center pan sealed top and bottom. The bottom pan contains the tincture and is heated to ? degrees under ? inches vacuum (that's on web). The center pan is for alcohol recovery. It has a hole in the bottom with a tube that extends above the recovered alcohol level. The top pan is filled with ice to condense the alcohol and let it drip into the recovery pan. A hose from above the alcohol level in the recovery pan to the pump and another to a simple water filter to remove escaped fumes.
Three pans, a little silicon sealer (around the top edge of the two bottom pans), a couple of fittings and some tubing, a small vacuum pump, and a water bottle. That sounds easy enough to me.
If it works I think I'll call it the "DancesWithWides Distiller".