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After experimenting with the first exercise -where we have to come up with a Lego brick design, we have involved ourselves into this new assignment, which is to design a small bench and fabricate it using a laser cutter.

During the process we look at different precedents where we learned more about parametric design of furniture.  We took a look at the ‘Parametric Couch’ designed by Seyyed Mohsen Hossainy, the ‘Chick ‘n’ Egg’ Chair designed by Manuel Kretzer of the group CAAD/ETH Zurich.

To carry you through the development of the bench in rhino…

Primarily we began with the curves and arranged the curves in a manner to get the correct curvature and bends.

Secondly, we lofted (loft) the contours to generate the  form, thereafter we contoured (contour) the bench with sections longitudinally and latitudinally.

On generating the contours we created a planar surface (PlanarSrf) for each contour and used the intersect command to get the intersection lines.

A pipe was created about the central axis of each line and projected upward and downward about the mid point of the intersection lines.

The pipes in the upward direction were intersected and trimmed with the latitudinal ribs and likewise the downward pipes with the longitudinal ribs, such that, the groove of the ribs interlock with each other.

The face edges of each surface was duplicated from the Curve<Curve from Objects<Duplicate face border option.

Each curve generated was grouped along with the rib number (to make identification and assembling easier). The Rhinonest plug-in was used to quickly organize the curves on the size of the plywood sheet. The file was then exported to the dxf format for laser printing.

The bench has multiple properties, it does not only can be used as a seating furniture, but also as a tool where students can interact and use it to place cups, cans or bottles, also the lower part is open for storage where backpacks, books, shoes,  and other objects can be placed.

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