Cezar Mocan

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Fab #2: 6 USB Flash Drives

05 Nov 2019

Posted under: Fabrication; ITP;

The 6 USB flash drives

The second fabrication assignment is centered around streamlining our fabrication process, and building 5 or more of the same object as a result. I decided to maintain my focus on absurd and user unfriendly interfaces and made an awkwardly big, cube-shaped, wooden USB flash drive.

It all started with a trip to Home Depot for purchasing the wood—I ended up going with oak, purely based on feel. I was planning on my cubes having a side length of roughly 3 inches, so I got a 6ft long, 3in wide, 0.75in thick beam, meaning that each cube would be produced by glueing together 3 squares 0.75in deep each.

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The wood beam on the left, and preparing to cut it on the band saw on the right. The band saw was not on when I took this photo :)
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The squares, fresh off the band saw.

Before glueing the cubes together, I planned the way the USB port is going to be exposed. I went for circular holes in the centers of one face of each cube, deep enough to fit a USB memory stick, and cover the hole using a laser cut circular piece, with a rectangular center through which the USB port would come out.

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I cut off the USB ends of a few cables from the junk shelf, in order to prototype the wooden "enclosure" for the port.
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Prototyping a shallow circular hole on the drill press, and calculating the center for each cube's top part.
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In the left image you can see each cube's top face having a circular hole 1/8in deep. Middle and right side are the laser cut pieces which would cover the USB port, made out of 1/8in thick plywood.
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The laser cut pieces fit!
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Creating room for the USB drive as well, underneath the cover.
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The prototype scraped USB ends coming out through the laser cut openings. It's starting to come together.
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However, I realized that for some of the USBs, the part sticking out was too short to plug into a computer. So I used a Dremel to scoop out wood on the back of the circles and bring the USB jack out as much as possible.

For a moment, I considered changing the design from a cube into a more complex shape, but decided to abandon the direction after a few failed experiments on the sander.

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Unsuccessful shape design experiment.

The next step was to glue the pieces together in order to get the actual cubes.

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The process of glueing the cubes together out of their 3 components.
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And the first cubes, post-sanding.
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I accidentally discovered that I can round corners using the belt sander and thought it was an appropriate design decision, so I rounded the corners of all cubes.
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Left: Testing the shape in my hand—almost as unfriendly as expected. Right: My pants after a day of woodworking.

At this point, all that was left to do was applying a finish to the wood, geting some real USB flash drives, placing them in and glueing everything.

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Applying polyurethane finish to the wood. The color changed pretty drastically, which I did not fully expect or enjoy. I likely did not apply it properly.
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USB flash drives from Best Buy.
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Getting rid of the original plastic enclosures, a messy process.
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Hot glue-ing the USB memory sticks to the laser cut circular tops created earlier in the process.

The glamor shots below.

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