This is my entry for the SHOPBOT contest. I work with a small group of creative individuals who are always designing and building unusual and fun things with CNC routed products. We've probably spent more than $40,000 (of other people's money) in CNC services. Having access to our own CNC router would be spectacular to say the very least, and I can only imagine what future projects it would be a critical part of.
This unique decoration was designed as a new dance floor centerpiece for the now former nightclub in Chicago, Crobar. If not immediately clear, this is a fairly complicated build. Built on a truncated icosahedron (Soccer ball geometry) with rotating mirrored spikes. The structure is largely built from a specific brand of foam board called Ultra board and polished aluminum faced Ultraboard, which has a near-mirror finish. Each of the six sided spikes rotates, and in the attached video the whole starburst is hung from a specialized motor that has an electrical socket to power the star. It's a lot of rotation and sparkle. With a little fog in the space, all of the rotating spikes created a lot of movement of light beams around the space. Unfortunately, this nightclub closed and so the only video that exists of this is what I've posted here. It does a decent job of showcasing it, but depending on the lighting and the fog concentration, it was capable of many looks and effects. Though the mirror ball motors are stabilized and functioned fairly well overall, they would be the first revision. Variable speed motors with a little more torque would be spectacular.
At least part of the inspiration for my "death star" came from the signage device known as the rotosphere. There were 3 of them in the town where i grew up, and i assumed that they were fairly common. as it turns out there were less than 250 of them made, of those only 17 survive. They were manufactured and marketed between 1960 and 1971 as an attention getting add-on for conventional signage. i never realized as a kid just how big they actually were... 19 feet from tip to tip. obviously they were plagued with maintenance issues, which ultimately led to their demise. See the rotosphere with the links below:
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