How to do this

[Pepsi Girl]

Does anyone know how to quilt big circles like this in a quilt?

[InesR]

I don't. but would love to know how as well!

[ffq-lar]

The quilt will need to be completely marked before an attempt is made. The marker-on-a-string method works well, or a long (longlonglong) piece of template plastic with holes punched in even increments to mark through---with a blue wash-away marker so the marks stay through the process. Either method needs to have you anchor the center pivot well, so the top needs to be well-secured to the marking surface. On a domestic with the feed dogs up and an even-feed foot, follow the lines. On a longarm, stitched with a guide/template to keep on the line and obviously, one quilting field at a time. Each circle can be stitched entirely by advancing and rolling back. Or each circle-segment stitched as you fill an area, with lots of starts and stops. In either case, you will get distortion (as you can see in the photos--it will never hang straight but is lovely draped) caused by the pushing and pulling of the foot on diagonals. That is accentuated if you stitch all in the same direction every time. It's a beautiful look that's hard to pull off, but well-loved by modern quilters. Perhaps using fusible batting might stabilize it enough to pull it off without as much distortion. 

[Pepsi Girl]

Thanks @ffq-lar I wondered about the spring method.  I think I might reconsider the whole thing, a person need to "really" want this look.

[lisae]

Renae’s Amazing Ray tool is perfect for marking the circles.

http://quiltsonthecorner.com/amazing-ray/