[Fraens] uses a pair of motorized 3D-printed rollers with O-rings to form a conveyor belt that can pull one card at a time off the bottom of a deck.

Using Rhinoceros 3D, the modelling process took around 12 hours to complete over the course of a week. Printing took slightly longer at 20 hours resulting in a box measuring about 10 X 19.3 X 11 ...