Make a 9 patch per the layout in photo 2.
Your ratio is 1:1.5, so
3" x 4.5"
6" x 9"
etc.
If you know one block dimension and not the other:
smaller, multiply by 1.5
larger, divide by 1.5
This will give you the other dimension.
Your original cornerstones will become your vd9p focus blocks, so be aware of placement.
This example cuts the long side first. Example is 4, subtract 1 seam allowances. Divide by 3. Add 1/4 back to that measurement. Measure to the middle from the sides, and cut.
Leaving center in place, move left piece to right side and move right piece to left side.
Measure your other middle section. Example is 5, subtract 1 seam allowances. Divide by 3. Add 1/4 back to that measurement. Measure to the middle from the sides, and cut.
Again, leave center pieces in place. Move 3 right pices to left and 3 left pieces to right.




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