The Grid Beam protyping and modular construction system

Grid Beam, is a useful modular approach for prototyping, doing 1-off construction, building all sorts of things:

Making grid beam in wood, DIY style (as in rip 2 x 6 or so then proceed along centre line):

This can also be done with square section metal.

It is highly relevant to onward open industrial society development, third world transformation and to solar system colonisation. END