Quilting pattern for outside the box quilt
 

I am a Statler Stitcher longarm quilter and new to the Quilting Board. I have a quilt called "Outside the Box Can anyone tell me how this can be quilted w/o losing the illusion effect.

Welcome to the board! Might you have a picture..?

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*** Hi! Y'all from the upstate of South Carolina.
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Welcome to the board. I know it's not much of a suggestion, but I would just go with an edge to edge panto type quilt file. I would choose one of the medium colors used in the quilt for the thread. An all over won't pull your eye to a specific place on the quilt, preserving the piecing design.
If you are thinking about doing each section individually, you would probably have to program a design to fill in the "L" shaped space.

Welcome to the board. I agree, a photo makes it much easier to give advice especially with the colors of the fabrics used in the quilt. Most problems with posting photos is size of the picture.

Would love to see it when finished!

Welcome from NE Ohio.

Welcome from Michigan!:)

Welcome to the Best Board! We have awesome LAers here but a pic sure helps them advise. They are SO free with their advise too! Good luck with your quilting!