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What's the fun in that? In engineering they teach us the harder something is the better.:D

Just a suggetion, I haven't made a quilt yet.

How about the vertical baffles as shown in your pick in the middle of the quilt, then the horizontal on each ends. The vertical baffles in the middle...

I haven't made or quilt, but my sleeping bag has baffles both ways. If you are up for the extra sewing it would help the down from shifting.