We created a field condition involving the intersection and manipulation of sine waves, to test how a rough concrete mixture would respond to a fluid surface with sharp edges (the intersection lines between the sine waves).  While our first test used a fine cement for casting, this form was cast with 90lb concrete in order to observe the behaviors of the large aggregate on a cnc routed surface.

The resulting panel taught us that the lines created by the cnc toolpath are very important because they show up even in concrete with large aggregate.  The intersection lines, which we found to be the most interesting aspect of the grasshopper definition, were mostly imperceptible in the realized concrete panel.

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