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Author: rachelben14
Newson Chair Revisions
Hey Everyone,
I wanted to share the revisions I made to my chair. I am very excited that I have the ribs going vertical and all of the drivers are connected to each other! 
Newson Chair
I selected the Cappellini wood chair (1988) by Marc Newson to use for my parametric extensions.
Original Chair:
I began by drawing my end curves in Rhino and then by 2 rail sweeping the top and bottom curves to the side curves. I added 3 support curves in the seat, true to Newson’s design. I also drew 4 additional curves in the center of the seat to reference for when I extend the seat curvature in grasshopper.
Rhino Model:
Next, I defined my design drivers and proceeded to grasshopper where I used sliders to manipulate the rib count and width, the length of the seat, and the curvature of seat.
Define Design Drivers:
I got all of the drivers to run to the best of my ability at this point. The main thing I am still trying to figure out is how to attach driver 1 (Rib count and width) to the drivers 2 and 3. This is probably something very simple….
Driver 1 Rib Count:
Driver 2: Rib Width
Driver 3: Seat Length
Driver 4: Seat Curvature
Truss = some crazy stuff
The truss exercise was going smoothly until I got to drawing offset curves and fillet. I’m not sure what went wrong. Maybe the points are in the wrong order? When I click on the points they don’t show that they are selected in green. Or maybe it has something to do with connecting the surface driver server to the client. But I keep rewatching the videos and I feel like I am doing everything the exact same way.
How is everyone else doing with their truss?
When I connect the single surface to the surface driver server I get above. When I connect the Isotrim to the single surface driver I get the below craziness. This problem only started once I started with the offset curves and fillet. Trying to figure out what went wrong…. AHH.
