does anyone know where I can purchase them? checked joanns and a few others with no luck

Are you looking for the wedge rulers? If so, phillips fiber arts carries them.

If you need the rulers to do the spiral quilts you have to get them online

I wanted them to make a Christmas tree skirt

http://phillipsfiberart.danemcoweb.c...ee-wedge-tool/ heres the 10 degree wedge ruler

Thanks bunches! just went to the site and found what I needed
cherri