Physical Origami Cable Model Test 1

The pattern used to create the first origami form was studied to translate the folding of paper to the linking of cables to form the ridges and valleys. In order to do this we proposed that the fabric layer being folded would form ridges through the use of cables pulling from under the fabric, and form valleys through the cables pulling down on top of the fabric. This approach allowed us to divide a standard folding pattern into two separate patterns, a ridge pattern and a valley pattern. In physical form this would allow us to first construct a ridge cable pattern, then introduce a fabric layer and then conclude with a valley cable pattern on the top. The intersections of the valley and ridge patterns would be then coupled through a hole in the fabric.

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By using an odd number of spaces between intersection points in the x and y directions, we are able to achieve a continuous woven pattern using a single cable for both the ridge and valley patterns.We first began to test this approach by leaving out the fabric and only building the cable model of the origami pattern. We used posts (screws) on a plywood sheet to weave the ridge pattern and valley patterns and zip tied them together. After attaching leads to each intersection we used the digital model to locate appropriate anchor points and then used a wooden frame to pull the intersections of strings to. The resulting form is shown in the pictures here. Because of the inaccuracies of the construction and the varying tensions in the pulled points the pattern had loose and overly taught areas, but the overall form was achieved as hoped. We will next try to introduce a fabric layer into the this assembly method.

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