1 Cover: 8.25" x 5.50" sheet of cardstock scored along the top 8.25" side at 2" and 6.25"
3 Pages: 8" x 5.50" sheet of cardstock scored along the 8" top side at 2" and 6"
You'll have these four pieces:
Put the top cover piece aside for later. Next fold each page gate-fold style along the score line on each side and align the pages side-by-side to look like this:
Now glue each of the side panels (flaps) together to look like this:
Okay, now fold in the panels on the first page gate-fold style:
Next fold the gate-fold page onto the center of the album:
Now repeat and do the same to the right side. Now grab the cover. Align and adhere the center back of the folded pages to the center of the cover as shown below:
I'm going to give you the dimensions now for the panels and (base) cover for your pages. You'll need:
8 - 1 7/8" x 5 1/4" flap panels
10 - 4" x 5 1/2" cover (base) panels
Below, are pictures to give you an idea of where these panels will be placed: