Prototyping Begins

Before creating a frame for the installation piece, I needed to figure how to physically move the projection surface. After much trial and error (and a long tangent researching and testing “linear actuators” which was expensive and not successful), I decided that an inexpensive servo attached to an arm with a joint would be the best solution. Servos spin, and you can control the angle of rotation, so I simulated a servo in the early prototype stage with a spool of thread:

thread-prototype

 

With this setup I was able to calculate different angles and length of “arms” to get the necessary “push.” ┬áThe balsa arms are attached with fishing line so they are flexible, and the plan was to attach the far end to the projection surface.

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