PARAMETRIC SEATING: FISHBONE CHAIR

Hello All!

I began by building the whole chair in Rhino. By using curves, lofting, capping, dividing, and then splitting the solid to form the final chair.

Fishbone_chair_FINALL

I redrew the curves for the final chair since I was a bit off in the shapes of the chair as a whole and also the shape of the individual ribs. Above you can see it is rectangular from the front and top views, but I redrew it to have an egg shape, similar to the original design.

Instead of splitting the solid into the ribs. I want to influence the solid to be manipulated in grasshopper with these Design Drivers: Width of Ribs, Thickness of Ribs, Frequency of Ribs, and Direction of Ribs.

First I create the surface as a solid using my curves.

FISHBONE_CHAIR_FINAL_JUSTLEGS

I then draw the legs in RHINO.

FISHBONE_CHAIR_FINAL_REFSURF

Then, in grasshopper I reference a curve in the middle. Apply perpendicular planes to the curve. Deconstruct it. Meanwhile, I reference the surface as a BREP. I apply the perpendicular curves in the boundaries of the BREPPED surface.

FISHBONE_CHAIR_FINAL_FIRST

I then extend the planes, which I refer to as ribs, in the Z-axis, attaching a number slider to influence the width of the ribs. Extrude with the parameters of the BREP and then cap and voila! Baked and ready to go in Rhino world.

FISHBONE_CHAIR_FINAL_secondFrequency of Ribs

From here I will post Grasshopper and Rhino chair photos side by side with the drawings. FISHBONE_CHAIR_FINAL_withThickness of RibsFISHBONE_CHAIR_FINAL_wafflesamePerpendicular Ribs – Same properties

FISHBONE_CHAIR_FINAL_perpendicularPerpendicular Ribs – Different properties

FISHBONE_CHAIR_FINAL_wafflevariedThickness of Latitude Ribs and Frequency of Longitudinal Ribs

FISHBONE_CHAIR_FINAL_yaxisExtend Longitudinal Ribs in Y-Axis.

PDFs of the Drawings Below:

nofeet Model (1) woah Model (1) WAFFLEVARIALBE Model (1) WAFFLENORMAL Model (1) normalthick Model (1) normal Layout1 (1)

Gifs of Each Driver being influenced by Grasshopper as stated below.

FISHBONECHAIR_VMOX_FREQUENCY FISHBONECHAIR_VMOX_THICKNESS0 FISHBONECHAIR_VMOX_WAFFLE fishbonechair_vmox_waffle_amplitude fishbonechair_vmox_waffle_both FISHBONECHAIR_VMOX_YVARIABLE

Thank you!

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