Hooked on Hexies

I clearly dont have enough hexie projects on the go at the moment - I rescued a bag of rainbow and grey hexies from under a pile of stuff on my workbench, and decided to do something with them!

I speed dated a few arrangements:

 

I've decided on the bottom right version.  There may be enough rainbow hexies to do another layer around the outside too, but I can make that decision when I've got this centre all joined together - sigh, just when I was starting to get my to-do list under control!!!