Quilter's Assistant Proportional Scale by Golden Threads
This may be one of the most useful quilting design tools you'll ever find! Takes the math out of resizing.
Large and easy to read! Easy to use. SAVES TIME AND PAPER! Line up measurement of the current design size on inner ring with the new size measurement on the outside ring. Percentage of increase or reduction will appear in the window opening. Resize on copy machine or scanner. Measurement in inches and percents.