This first picture is completely inspirational. I have not found a pattern for it however I would love to try it out just for fun.
Sewing Materials: 1/4 yard of Lycra or 5T or larger old swimsuit Thread Stretch Needle (helps) Sewing Machine and Sewing Notions Print the PDF patterns pieces out and tape them together. ✄✄✄✄✄✄✄✄✄✄✄ ✄✄✄✄ ✄✄ Step 1: Cutting Layout- Place the templates over the fabric and cut. ✄✄✄✄✄✄✄✄✄✄✄ ✄✄✄✄ ✄✄ Step 2: Fold the top edges of the mermaid tail and sew across. ✄✄✄✄✄✄✄✄✄✄✄ ✄✄✄✄ ✄✄ Step 3: Place the mermaid tale pieces right sides together. Sew around the mermaid tail using the stretch stitch, it looks like a bolt of lighting. ✄✄✄✄✄✄✄✄✄✄✄ ✄✄✄✄ ✄✄ Step 4: Flip the mermaid tail right side out using a chopstick. Option: You can add Poly-fil to make the end of the tale puffy. Set aside. ✄✄✄✄✄✄✄✄✄✄✄ ✄✄✄✄ ✄✄ Bodice Step 1: Cut a bodice measuring 4.5” X1.5” or use template. ✄✄✄✄✄✄✄✄✄✄✄ ✄✄✄✄ ✄✄ Step 2: Fold the bodice right sides together and sew the short ends making a loop. Use the edge of the presser foot for your seam a