Graph paper is my friend but sometimes, a few days, weeks or months later, my drawings are too cryptic even for the author! I am trying really hard, to make the drawing, note the location or reason why the idea came about, and make a sample block. Then, if I like it, I can put them all together in my 'Ideas' box.
Several years ago, I wanted to make a wedding quilt for a dear niece. I got the fabric and pattern, made a sample block and liked it. I then started my cutting with the largest pieces. Thank goodness I had bought extra fabric, and only cut enough for 20 blocks, because I cut every one 1/2 inch to narrow!! Best laid plans...