Here is the drawing for the lithologic landscape project blown up to "life-size" proportions. The fill size is 2.5 feet by 4 feet. Enlarging the drawing makes it easy to cut out freezer paper pattern pieces, as well as positioning the fabric onto the background. I can lay my background fabric over the enlargement and see where each piece goes.
I have color coded the lithology cross-section area to designate things like sand, silty-sand, clay, bedrock, contamination, etc. I plan to use the same fabric for each distinct lithologic type.