1. cut and sew the strips accurately
2. mark the line on the ruler that are to U to assure consistency
3. Always place the line on the STITCH line not the edge of the fabric
4. I found I didn't aways follow the #3 rule and sometimes used the fabric line and sometimes the stitch line 'cuz I was also visiting. Duh, go figure.
5. Put a piece of cling wrap or something to reduce ruler slipping on the back of your ruler
or
6. enjoy the 'art quilt' design that different cutting creates