OSE Theory of Efficient Builds

This is nothing new, just building on elimination of muda, 6 Sigma, Test-Driven Design, Second Toyota Paradox, Visual Workshop, and other techniques for rapid builds.

It's all in the Prep

Applied to housing - one can prepare for rapid builds with jigs, modular design, preassembly of modules, Integrated Design of modules, and Design for Preassembly.