Hello, everyone! I just found out that the shape I was looking for is called an "8-point star". I found many of this shape labeled as such in different sites like here:
http://moroccandesign.com/eight-point-starOr maybe it can also be referred to as a star polygon
http://en.wikipedia.org/wiki/Star_polygonI'm sure even us adults would want to know the name of this shape!
Okay, now I think I should let my daughter call this shape a star polygon because it seems easier to say than an "8-point star". What do you think?
Yes, I think it can also be called as a hexadecagon because it really has 16 sides, but most of the hexadecagons looked like this:
http://en.wikipedia.org/wiki/HexadecagonI hope this helps!