The ornamental design for a displayscreen or portion thereof with icon or sheet material with surface ornamentation, as shown and described.
The file of this patent contains at least one drawing executed in color. Copies of this patent or patent application publication with color drawing(s) will be provided by the Office upon request and payment of the necessary fee.
The sole FIGURE is a front view of a display screen or portion thereof with icon or sheet material with surface ornamentation, showing the new ornamental design.
The dot-dash lines in the FIGURE, which define the outer boundary of the claimed design, illustrate a display screen or portion thereof or a sheet material, and form no part of the claimed design.
The dashed broken line illustrates an interior boundary that forms no part of the claimed design.