Polygon Catcher
Inspired by my preservice teachers' Family Math Night activity, they are helping students make dreamcatcher-like art pieces using precut cardstock, yarn and patterns.
Other polystar sketches:
http://www.geogebratube.org/material/show/id/51257 Islamic Stars
http://www.geogebratube.org/material/show/id/16190 Stars
More GeoGebra at mathhombre.blogspot.com.