G4G11
March
2014
Our sculpture is a piece of hyperbolic plane, a constant negative curvature

Note the paper model hanging behind Chaim
The pieces are water jet cut with holes for attaching the ends together

Then the pieces were bent with a bending machine until the ends met. The steel does not want to bend this way so twisting and pushing and prying were also necessary.
There are three different pieces, a cross, a tee and an ell

Left, A piece of hyperbolic plane for you to play with. click to get the full resolution version.

Right, assembly guide for the piece
Left, Chaim checking out the powder coat on the way down to Atlanta
The pieces laid out at the assembly site
Assemblers began by identifying and arranging the pieces. we had a few irregularities in the marking system that caused a bit of head scratching
we started by assembling center square and the corners with 2 tees each
After the strip locating team had deciphered some of the strips, we started joining up the preassembled pieces.

Left, Wei-Hwa Huang took the lead getting the assembly going.
We had lots of hands pushing and pulling to get the bolt holes aligned
I imagine I can see the paper qualities in the steel.
Left, with the paper model
We hung it with stainless steel cables before we got out of Atlanta.

G4GX scupture - the gyroid

G4G9 sculpture - one of N

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