Those looking for a way to lace up Synergetics would do will to pull tight on this topic of modules, or "particles" as he calls them earlier. Leaving aside their importance, at least they have a definite shape and place in his little sculpture of nesting polyhedrons.
Fuller continues with his research past the publication of his two volumes, although it's a somewhat lonely endeavor. Some of the continuations we've come up with, would come later.
However when it comes to the B, E, A, S, T modules at least, he nailed them.