Originally Posted by All Thumbs
I see what you mean about showing light with grey scaling. The ice on the tree top really shows the sun light coming from the left side of photo.
I would make a second copy in grey scale and get out a black pen and ruler. I would extend the barn lines to the picture edges so you would be making your own paper piece pattern. I'm sure some of the others can give you a better idea of how to do this. Hey, paper-piecers, quilter needs your help!