I love using this method if machine sewing the circles to back ground, fast and easy especially if you have a lot of them to do: http://summeratgrandmashouse.blogspo...7/circles.html

I did this for a king size bed spread!
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This is the method I use for larger circles and it really does make a nice circle. If it were my quilt I would cut out the back, it will lay much flatter when you go to sandwich the quilt. Also allows you to remove the pellon as well.

I'm with you. I've made the mock cathedral window quilt quite a few times. I don't have the templates either. I use the olfa circle cutter which makes perfect circles up to 8 1/2 inches. One variation to the pellon method (fusible or not) is to cut a window (fons and porter) in the fusible if you don't want the bulk. After you turn the circle inside out ready to attach, you can trim away most of the fusible except for a half in or so and that keeps the circle perfect but eliminates the bulk. I use this method for different applique shapes not just circles. I can't draw or cut a straight line so I had to do something!! lol.

Also, to sew the circle-tape a thumbtack point side up on the machine the radius distance from the needle. Put the fabric center on the thumbtack and the circle pretty much sews itself if you don't have a circle attachment. sew on a tack, pink the edges and trim the "window". Circles go pretty quickly, lay flat and are nice and round. Have fun.

I made a circle quilt block and I didn't cut the back out the circle but I sure wish I had. It made for a very thick layer to try to quilt through. I'll definetly cut the circle back next time I make this circle quilt.

Oh Feline, that is gorgeous, love it..

OH my, another pretty quilt. I love circles..

Thanks for all the replies. Lots to think about.