N&W Class J posted:That is a great bit of engineering there Elliot and a brilliant way of making those helix's....or any radius for that matter. I like the idea of it being re-usable and as you said doubling as a straight edge.
Everyone who's building a layout should have at least one. If you need a curve bigger than 6' radius, just bolt two together, which would get you almost out to 12'. That's 0-288.