Iris aperture
youmagine
I drew a semi-parametric iris in SolidWorks to hone my modeling skills, taking inspiration from several other irising boxes but ensuring it didn't copy any of their designs. Printed on an inkjet-binder printer, the assembly comes together and functions smoothly with some lubrication. I built in reasonable clearance at every joint except for the sliding motion among the leaves, which shouldn't pose a problem. As the iris opens, it doesn't leave a completely empty circle in the center - I made that compromise to make it look better when it's opening.
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