123 blocks

[westsailpat]

Screw them together .

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[jrkorman]

And apparently the only way to get these is to make your own, or steal Tom's. I've got as far as drawing them up.

 

[petertha]

Or maybe we can turn the tables & bait the offshore market so they drop the current quasi-useless 123 blocks & start producing more useful ones like these? How about - draw up a CAD diagram, post it on Kickstarter with a few key phrases like "projected 10MM$ annual sales", "patent pending", "within 0.00005" etc. We hope 'someone' is watching & they jump in to scoop the market.