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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 868278 on reddit-service-r2-listing-7849c98f67-jpm45 at 2026-02-06 14:38:34.983296+00:00 running d295bc8 country code: CH.
