The pattern is the basic and original Bethany Reynolds "Stack-n-Whack". Still the most favorite of those who make the pattern. The original with the small blue border sets off the center very well. Then the wider paisley completes the design. Without the larger outer border I believe the quilt appears somewhat unbalanced.
There have been stencils designed for the center star of this design. Using a specific quilting motif in the "star" further accentuates the kaleidscope. Some background around it brings out the design more. You might search for the kaleidscope quilting designs/stencils. I know The Stencil Co has one which I designed for them. Others are available as well. To quilt an all over pattern doesn't do the design justice in my opinion.