Grasshopper

algorithmic modeling for Rhino

Parametric Chinese Fan

Hello everyone,

I'm fairly new to grasshopper, and I'm trying to model a parametric chinese fan.

I would like to be able to fold and unfold it, using one slider. I managed to model the fan on an open position, but not quite sure how to control the rotation of each polyline, that will outline the folding surfaces of the fan, so i can then control the open or closed position.

I attach the files I am working with.

Any help or guidelines will be greatly appreciated.

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Permalink Reply by Joseph Oster on March 14, 2017 at 3:56pm

I've given you all you asked for.  Good luck.  And be more careful about breaking code!  Both of your expression components are bad.

  • (2*Pi*r)/x/b
  • (pow(hyp,2) - pow(ArcL/blades,2))*.5

I already fixed them, won't do it again.  Please rename GH files when you modify them.

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