Doesn't link to anything, just a cute idea. Cut 2 egg borders (the frame) out of card stock. Glue tissue paper strips on one (and finish with shapes as desired), then let dry. Put 2nd frame on the back (to finish the edges) and voila.
DIY Beautiful Curly Paper Flowers
DIY Beautiful Curly Paper Flowers. It looks like fun to me but my students would probably find it tedious.