The file '3-Tier Magnetic Business Card Holder 3D Printer Model' is (stl) file type, size is 288.9KB.
A simple business card holder that is designed aroundthese neodymium magnets.
https://www.amazon.com/dp/B00B1M37MY/ref=cm_sw_su_dp
Attach it to a metal surface or make two and sandwich some brochures.