The ornamental design for plastic sheet material for surfacing a wallpanel or similararticle, as shown and described.
FIG. 1 is a top plan view of plastic sheet material for surfacing a wall
panel or similar article showing my new design;
FIG. 2 is a top plan view of a modified form of the sheet material wherein
the left center partial hexagon has four sides and the right center
partial hexagon is open on the bottom left;
FIG. 3 is a top plan view of another modified form of the sheet material
wherein the pattern consists of the FIG. 2 design with the three leftmost
line segments omitted; and
FIG. 4 is a top plan view of a further modified form of the sheet material,
a mirror image of the design of FIG. 3.
Shading contained in the drawing demonstrates contrast with a plain
background, and no particular color.