I had a piece of white cotton that I'd accidentally spilled some hot pink powdered clothing dye on. Not enough to ruin it, but enough to make it's use very limited. Then I noticed that the hot pink heat transfer material I got from Silhouette was the exact same color. Problem solved.
I've been wanting to use this shape/border on something for a while, so I decided to make a little girls' sun dress and use this shape as a border along the bottom. To save heat transfer material, I duplicated my border and cut both pieces along side each other. Next I weeded, or removed the unwanted pieces, from my plastic sheet with a sharp tool. Then I cut them apart.
For the dress, I measured my toddler model for the length, width, armholes, and neck I'd need. Then I doubled and folded my fabric in half and cut a simple dress shape out of it, which gave me two identical pieces. For the back piece, I cut a slit in the middle of the neck about 4 inches long. Before I sewed the dress together, I laid my heat transfer pattern on the front of one piece. The nice thing about it is that it is sticky, so it stays in place. I laid the second piece on top of the first and matched up the second piece of the pattern so they'd match when I sew the side seams.This was easy because I could see the first shape through the light-colored fabric. Then I ironed it on each piece the same way I applied the heat transfer material to my t-shirts the other day.
I finished my dress by finishing the arm and neck hole and slit seams, then sewed the pieces right-sides together. I did a wide hem along the bottom and voila, sweet sun dress in less than an hour!