Double sided tape / tape runner
Die cutting tool of choice (I used Nestabilities)
5. Fold the second piece of card in half.
7. Using your cutting tool, cut an oval (or square, heart, rectangle, circle, etc...) from the centre of the card blank. The cut out should not reach as far as the two outer folds.
8. I cut a slightly smaller oval from a scrap of card and adhered it to the wrong side of my second card blank to give a framing effect. You could use a scalloped or decorative edge or simply skip this step altogether.
9. Place adhesive on the two outer sections.