I decided to stay close to home for this challenge and looked at my sewing projects in black and white. Not all of them showed a lot of contrast without their colors, but a few did.
A red, black, and white bowl I made for Shelly.
A 9-patch quilt from 2010
A quilt with wildflower fabrics (color photo scheduled to post 15 Nov 2015)
A blue and black jelly roll quilt. (Color photo scheduled to post 15 Nov 2015)
It's a long story ... 
I like the idea of black and white photos to reveal patterns that are less apparent in color photos. Your work is beautiful.
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Quilts make such great patterns. Thanks for playing.