Creative Grids CGR3 3 1/2 inch square ruler – Perfect for trimming up smaller blocks and sub cutting strips. Easy to read black and white markings are printed in 1″ grids marked in 1/8i” and 1/4″ increments. Use the black numbers printed on white dots and the 1/4″ grip sides to cut whole inches. The 1/4″ dashed lines that are printed on two adjoining sides aid in trimming seam allowances.
