I’ve gone mad for woven picots! They look intricate but are super easy, and they work with a huge variety of threads—the more the merrier, in fact. I especially like to use them as fish scales.
Sue Spargo introduced me to woven picots in this class on Craftsy, which also covers a fantastic range of embroidery stitches and the fibers that make them so interesting. (affiliate link)
An overview of a 3-spoke version of the stitch, including an example of using it as flower petals and a video tutorial.