... Here's an easy modular 8 point star (also called octagon star or Pinwheel-Ring-Pinwheel) made with 8 square papers, once folded it slides into place. I don't know who made it so credit it due. You can find the diagrams here:
by Easy DIY Arts and Paper Crafts
by Sten Martin Jonsson
by SIMPLE Cutting
by Paper Kawaii - Origami Tutorials
by SAVVY INIKZ
by Howcast
by PaperPh2 Origami