Astronaut's Coat Rack
In my course Engineering Design I, we were tasked with building an Astronaut's Coat Rack - an acrylic bracket (lasercut only on its X & Y axes) that could hold up 40 ± 1 lbs in very specific geometry for at least 10 seconds.

Using a combination of FEA analysis in SolidWorks and ANSYS, hand-calculation stress analysis and analyzing the breakage locations of prototypes, I iterated my way to an effective solution.

After 18 lasercut (and countless digital) iterations - and a lot of broken acrylic - I found a design that was satisfactorily light, sturdy, and effective. My final design weighed 6.3 grams, and successfully held 40+ lbs for 10+ seconds. 
Astronaut's Coat Rack
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Astronaut's Coat Rack

A student project for Engineering Design I.
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