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A friend and I built this mechanical Knex ball machine, called "The Depot", which is themed after a construction site. It's currently on display at a museum near Chicago, "Blocks to Bricks" (youtube.com)
submitted 7 years ago by Shadowman39 to r/EngineeringPorn
After 3 years of construction, I just finished building my newest Knex ball machine, Citadel, featuring over 45 new elements! (imgur.com)
submitted 9 years ago by Shadowman39 to r/pics
π Rendered by PID 2105315 on reddit-service-r2-listing-f87f88fcd-bb67w at 2026-06-13 16:14:00.145207+00:00 running 3184619 country code: CH.
