Those who indulge in trading card games know ... [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 ...

However, for the last seven years, Kopacz has been creating personalized trading cards for K-9 units across the country, called K-9 Hero Cards. Most recently, Kopacz created cards for Apollo ...