Here is the video tutorial on the trifold card I posted pictures of yesterday. Hopefully I explain it well enough :) Below the video, are the dimensions for the card.
Have a great day!
Score at: 2,4,8,10
Cut from the 2 in score line to the 10 in score line 1 1/2 inches from both sides
Accordion fold making the middle strips go the opposite direction than the top and bottom
Middle pieces: 3x4
Side panels: 2x6
4 corners: 2x1 1/2
Middle strips top and bottom: 4x1 1/2