"P.C." wrote
Now even I already exchoused to the group about the cross posts, I must
say I
agrea with Syd , as the boatbuilding group already for a decade been
dealing
with the cheapest materials and the simplest plans ,

Architecture and boats are only 2 examples that might benefit from 3DH.
The *method* is what we're talking about here.
The materials, and the application, are secondary to the subject.
Everybody is looking for a cheaper way, a faster way, a more reliable way.