[Dprglist] Filament springs

[Doug Paradis]

-All,
    This is an interesting and simple idea for making springs out of 3D
printer filament (printer not required).  It may have some hobby robot
build potential.

https://hackaday.com/2021/01/06/heat-turns-3d-printer-filament-into-springs/

Regards,
Doug P.
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