Has anyone ever produced replacement rib station uprights (Red Plastic Parts) in wood or metal. Be nice to get a set laser cut. Walt 
Walter,
Why are you interested in replacing the red, plastic stations on the Adjusto-Jig?
I sold mine many years ago, but while I had it, it worked very well for me. As I remember, the red plastic stations worked well, were stable, and moved on the main mounting rod with just the right amount of resistance to make them remain in place.
One caveat, is that mounted to a substantial base, it was large and heavy, and required a lot of space for storage.
The major weak design point of the AJ, is that the rods were small in diameter (1/8" to 5/32" ?) and the rod spacing was too close together, somewhere around 2-2 1/2"....the wider the rod spacing, the more accurate the perimeter of the wing becomes.
But with those limitations, it still was a pleasure to use, because the assembly would rotate 360 degrees, and you could complete 95% of the wing before it was removed from the jig. The value and convenience of keeping the wing in the jig for 95% of the construction, was worthwhile enough to overlook the jigs short comings. It was adjustable for dihedral, so a dihedral-ed wing could be built all in one piece, still with the terrific ability to rotate, top to bottom.
If you have one, use it and enjoy it.
Cheers,
Warren Wagner