I like it! It looks to me as if you could reverse some of the 2x2 round
bricks and join them with a Technic axle, allowing the studs on either side of
the joint to face outward. Nifty!
this is a heavy duty one-axis-of-rotation joint i've had in my mind for a while so i figured i'd Mlcad it & post: (URL) (21 years ago, 4-Jun-03, to lugnet.announce.moc, lugnet.build.mecha, lugnet.space)