Nope, this guy is for real. He posts videos about designing all the mechanisms.

-Joe

On Wed, Feb 26, 2025 at 1:33 PM Jim W7RY via GreenKeys <greenkeys@mailman.qth.net> wrote:

Looks fake. AI generated?

Jim


On 2/26/2025 11:03 AM, Duncan Brown wrote:
We all like complex machines, so take a look at this 2000 marble, music machine:

https://www.youtube.com/watch?v=IvUU8joBb1Q&t=13s

(80,000 marble version in the design phase)

have fun,

Duncan


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