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Hey, thanks for the interest and feedback. I have been doing thought experiments on this topic for over a decade now, so the concepts that may seem very familiar and obvious to me, to someone just...

Thanks! Yes, gravity is the main passive source of energy.

Its an ongoing project. At this point not possible to give it a dollar figure, sorry. Lots and lots of hours spent, both on the 3d files and manufacturing. Thanks!

Thanks for taking a look!
Self-powered as in gravity and user-generated momentum powered. Same basic principle as a pogo stick or power risers. The energy return potential is stored in the...

Hey,

I am creating self powered exo-frames to amplify human motion. The markets I'm going for are currently sport and recreation. Medical applications are a possibility in the future as well.
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I wonder how it would work with materials that are not stiff and that could be affected by gravity, (droop/sag) or wobble due to thin design. Making sure the print sticks to the bed would be...

Designing something like this to fit like the original, unless it was for multiple end users, would already be financially inadvisable, if you consider time to be money. If you were creating a...