Here's what I've been using for leaders and enders as I'm piecing Lazy Sunday.
Aren't they adorable? Little 2.5 inch blocks made into a 9-patch wonky star. The idea came from Bonnie Hunter's free pattern: Maverick Stars.. I had some leftover fussy-cut blocks to use for the centers of the stars. The star points are the discarded triangles from piecing binding together.