fxy seating

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fxy is a furniture scale test on generative techniques in design. The idea was to test the generation of shape variations through a simple mathematical formula. fxy was partly inspired by the Graphing Calculator included with the Macintosh computers, in which mathematical functions can be plotted in 3D.

The generating formula for the form is:
Z = PSUM* (0.7f * D*D + 2.3f * D – 6.6f) / (1.1f * D – 1.8f), where:
Z is the height of the point on the surface
D is the distance from (x,y) to the closest control point
PSUM is the weighted sum of the distances to the control points