So, last week I had you make 9 patches. A 9 patch, as you'll recall, is just a block of 3x3 squares. Today you're going to cut into your 9 patches so you can create the "disappearing" part of the pattern. It is a "Disappearing 9-Patch" quilt after all. Let's get started, shall we?
Start off by taking one of your 9 patches, fold it in half vertically and finger press firmly down the fold. Then do the same to your 9 patch horizontally. Finger pressing is exactly what it sounds like...pressing on the fabric with your fingers. We do this when we don't want a permanent fold in the fabric, like you would get by pressing with an iron.
(Side note: If this quilt was one where things had to line up VERY precisely...we would be measuring instead of folding and finger pressing. But, since this quilt top is so busy and something being a tad out of line won't be glaringly obvious...we're not going to create extra work for ourselves.)
Now use those folds as guidelines for your ruler. Do your best to line up your 9-Patch with the grid lines on your cutting mat just to keep things as straight as possible. I used the fold lines I made on one of the more prominent lines on the cutting mat to keep everything straight. I also made sure to see that the block was lining up decently with lines at the sides and top/bottom as well. It won't be perfect b/c despite how hard we try our seams and original cuts won't always be perfect. That's okay...we'll correct that in a bit.
Cut on the vertical fold with your rotary cutter (as pictured above).
Now you should have 2 pieces. Take one at a time and place it on the cutting mat so that your finger fold is on a vertical line on the cutting mat, and your freshly cut side is also lined up flush with a horizontal line on the cutting mat: