Printed Calendar 2004 with 3D glasses Red and blue Anaglyphic 3D glasses attached This calendar was printed back in 2004. It was printed with Neenahdouble sided column card stock with the 3D glasses die cut out on to the same sheet of paper. One side is printed metallic black ink on black paper. The inside was printed with 2 overlapping pantone red and blue color for 3D effect.