Basically you'll be creating a protracted skirt lining to connect to your knee length dress to that you'll add 3 to 5 layers of ruffled tiers, one beneath the opposite, connected to the skirt lining. There square measure 2 ways that to create a ruffle like in your photos. One is to create a material circle with the middle cut out and stitch it to the liner to form a ruffle. the opposite is to chop a protracted slender ruffle and gather it to create it terribly full so attach it to the liner. cross-check your photos to ascertain the distinction within the ruffles to ascertain that one you prefer higher. Also, after you cross-check patterns, see the stitching directions therefore you'll be able to verify that look you prefer higher. The circle ruffle appearance additional mermaidy wherever because the gathered ruffle appearance additional petticoatish.
If you have the main dress I suggest going on YouTube and looking up DIY circle skirt. It should give you the idea on how to lay out the fabric for the flare at the bottom.
