I bought this new gizmo that goes on top of my building board. It is a metal grid thingie with magnetic building posts that are used as vertical support during the set up phase before gluing. It keeps everything up straight and parallel. I got it from Tower. I will use it to setup the wing on the SSE. Hopefully, all my ribs will be parallel...

or I will surely go under the wrath of the perfectionists...
DS.