3D Printed Flexure Shows Precision in Action

Here’s an older but fantastic video that is as edifying as it is short. Topias Korpi demonstrates a 3D printed flexure with a dial indicator on one end; and an M3 screw on the other. As the screw is turned; the dial indicator moves steadily with roughly a 15:1 reduction between the movement of the screw and the indicator. Stable deflections of 0.01 mm are easily dialed in, and it’s neat seeing it work while the flexure itself shows no perceptible movement. A demonstration is embedded below the page break and is less than a minute long, so give it a watch and maybe get some ideas.

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