Gridfinity everywhere! Also on your desk! So you need a business card holder.
The award winning business card holder from Chris (Aero)Engineering Design mounted on a gridfinity base.
The author remixed this model.
This model combines the great business card holder from Chris (Aero)Engineering Design with a 1x3 gridfinity. I adjusted the corners of the business card holder base to match the rounding of the gridfinity bins.