I claim the ornamental designs for a handicraft ruler and a ruler scale pattern, as shown and described.
FIG. 1 is a perspective view of a handicraft ruler according to my design;
FIG. 2 is a front elevational view of the same;
FIG. 3 is a rear elevational view of the same;
FIG. 4 is a top plan view of the same;
FIG. 5 is a bottom view of the same;
FIG. 6 is a left side elevational view of the same; and,
FIG. 7 is a right side elevational view of the same.
The central broken line extending along the length of the ruler in FIGS. 1-3 is a guide line that forms a part of the claimed ruler design and of the claimed ruler scale pattern.