A (remix of) a gripper based on the fin ray of a fish tail

prusaprinters

<p>This is a gripper that bend around the stuff you pick up. It is based on the principal of the fin ray of a fish tail. See also this video of a (bit too old and dry) fin ray of a tilapia fish: <a href="https://vimeo.com/22739805">https://vimeo.com/22739805</a></p> <p>This gripper can be handy too grip dirty stuff like money or garbage in times of the Corona and Covid crises.</p> <p>This principal of the fin ray is also interesting for other applications like wings, sails, propellers, rudders, keels etc.<br/> Remix of <a href="https://www.thingiverse.com/thing:3757806">https://www.thingiverse.com/thing:3757806</a><br/> Also check this:<br/> Festo Japan: <a href="https://www.youtube.com/watch?v=byKm9vO_pvM&amp;t=5s">https://www.youtube.com/watch?v=byKm9vO_pvM&amp;t=5s</a><br/> Another remix: Gripper <a href="https://www.youtube.com/watch?v=90cXfaFM4O8">https://www.youtube.com/watch?v=90cXfaFM4O8</a><br/> See also Fish Swimming, by John J. Videler, Chapter 3.3 Fin Rays, page 45, Chapman &amp; Hall 1993, ISBN 0-412-40860-0.</p> <p>Use PETG as PLA is not both so strong and flexible.<br/> Do not clean with hot water as your print will deform.</p> <p>The tests with "inbetweens" are too stiff.</p>