With just one shape, you can make a unique quilt! For centuries, quilters have been switching up the colors of their pieces for a wide array of effects. AQS Vintage One-Patch Block #5 is The Clamshell Block. Have some fun with this unique shape! Block #5: The Clamshell Clamshell quilts, pillows, and other items are … Continue reading Free Vintage One-Patch Block #5: The Clamshell