The ornamental design for a brushmaterial, as shown and described.
FIG. 1 is a perspective view of a brush material showing our new design;
FIG. 2 is a front view thereof;
FIG. 3 is a rear view thereof;
FIG. 4 is a top plan view thereof;
FIG. 5 is a bottom plan view thereof;
FIG. 6 is a right side view thereof;
FIG. 7 is a left side view thereof;
FIG. 8 is an enlarged view of the portion indicated by line 8-8 in FIG. 1 thereof;
FIG. 9 is an enlarged view of the portion indicated by line 9-9 in FIG. 2 thereof;
FIG. 10 is an enlarged view of the portion indicated by line 10-10 in FIG. 4 thereof;
FIG. 11 is an enlarged right side view thereof; and,
FIG. 12 is a view of the article shown as being used for a roller.
The design continues in a longitudinal direction.
The features shown in broken lines in FIG. 5 and in FIG. 12 in the photographs depict environmental subject matter only and form no part of the claimed design.