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Old 07-04-2011, 03:14 AM
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Butterfli19
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Join Date: Nov 2008
Location: Seacoast New Hampshire
Posts: 1,177
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I'm making a changing mat that has 4x4 (2-7/8" ea) pinwheel blocks sewn around a 12-1/2 x 20-1/2 rectangle. I want to add in between a 1-1/2" strip. How much larger do I make the pinwheel blocks to accommodate this and how the h* do I figure it out?
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