Fibonacci Series #12
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• Copyright © 2013 Caryl Bryer Fallert-Gentry
• Size: 30" x 30" (76cm x 76cm)
• Techniques: machine pieced and quilted
• Materials: Fabric: 100% cotton • Batting: 50% cotton / 50% bamboo
• Private Collection: New York, NY

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Design Concept

The design for this quilt is based on the orderly progressions of scale, observed in nature by thirteenth century mathematician Leonard Fibonacci. The entire quilt, including the back was made from leftover strips of fabric from my Gradations Collection and Ombre Stripe Collection from Benartex. The strips were cut into 1.5", 2.5", 3.5" & 5.5" widths to finish in the Fibonacci proportions (1-2-3-5) when sewn together. Strips were selected randomly without regard for color, only contrast. They were sewn together until their width was 30.5". The strip-pieced fabric was cross cut into strips in the same proportions, and every other strip was rotated 180 degrees, so some of the seams line up and other do not. These strips were sewn together until they formed a 30" square. One strip was left and this runs diagonally across the back of the quilt, with other fabrics from Caryl's collections completing the the back.

This piece is quilted in wavy feather patterns running from the bottom edge to the top. The three feathers are quilted in fluorescent yellow top stitching thread. The negative spaces are quilted with darker threads in spiral and crescent patterns.

To see other quilts using the Fibonacci sequence, click here.

This quilt was made especially for 30 Quilts for 30 Years, a solo exhibit to celebrate my 30th year of making art quilts.

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  • Bryerpatch Studio Gallery, Paducah KY, October, 2013
  • 30 Quilts for 30 Years: Solo, traveling exhibition celebrating 30 years of making art quilts.
    • International Quilt Market & Festival, 2013, Houston TX, October 25-November 3, 2013
    • National Quilt Museum, Paducah KY, December 6, 2013 to March 11, 2014


  • Fiber Art Now, Fall 2013, Volume3, Issue 1, p. 14
  • Machine Quilting Unlimited: May/June 2014, p. 12
Web Site Design by Caryl Bryer Fallert-Gentry 1997-2022 All Rights Reserved
Bryerpatch Studio • 10 Baycliff Place • Port Townsend, WA • 98368 • USA
360-385-2568 • caryl@bryerpatch.com

Updated 1/22/17