Now, I wanted to create a similar skirt for my 4 yo niece. Which I did click here for photo. Here are easy steps for creating a flounce.
We are going to create a pattern on fold so we get an even flounce.
Step 1: Measuring
Flounces are usually attached to the ends of skirts or sleeve patterns, so measure the width of your pattern piece. For example in my case it was 6" wide. Now decide the depth of your flounce. I chose 3". The initial pattern piece will just be a rectangle measuring 6" X 3".
Step 2: Mark and cut out the rectangle
Once you have your rectangle, mark lines 1/2" apart parallel to the short side.
Step 3: Dividing the pattern
Now very carefully cut the pattern from the bottom to but not through the top. So we are leaving a hinge at the top. The little fringe will want to curl up and thats ok. Tape one small side (thats going to be on fold so we dont want to touch that side) to the board.
Step 4: Rotating the pattern
Now, add space after each little fringe and start to tape it to the cutting board. You'll notice that now your rectangle looks like a quarter circle. Thats the idea. The photo on top will show you what it should look like. Tape up the little pieces so its easy to manage.
Step 5: Trace over the shape
Now cover this pattern piece with tissue and trace over the shape, trueing up the curves. Add the fold line to identify which side is on fold.
I recommend tracing the final step on a fold so you can open up the pattern piece and fix any errors when you open up the piece. The curve shouldnt have any irregularities.
That's it! You have your flounce. Sew it to your pattern and you're done. Lettuce the ends or even leave the edges raw.