Fig 1Vending portfolioHover a slot · click to vend12 items in stock
The item that was pickedSix lead screws, one per slotThread of one start, lead 11A vending machine with its glass off. Each slot is a lead screw: one turn moves the paddle exactly one item depth (11 px), so the front item is pushed past the shelf edge and falls into the tray. Choose a slot with the keys, or let the cat watch the tour.