FIG. 1 is a top, front, and right side perspective view of a desktop riser shown in an open position;
FIG. 2 is a bottom, rear, and right side perspective view of FIG. 1;
FIG. 3 is a top plan view of FIG. 1;
FIG. 4 is a bottom plan view of FIG. 1;
FIG. 5 is a left-side elevation view of FIG. 1;
FIG. 6 is a right-side elevation view of FIG. 1;
FIG. 7 is a front view elevation of FIG. 1;
FIG. 8 is a rear elevation view of FIG. 1;
FIG. 9 is a top, front, and right side perspective view of the desktop riser of FIG. 1 shown in a closed position;
FIG. 10 is a bottom, rear, and right side perspective view of FIG. 9;
FIG. 11 is a top plan view of FIG. 9;
FIG. 12 is a bottom plan view of FIG. 9;
FIG. 13 is a left-side elevation view of FIG. 9;
FIG. 14 is a right-side elevation view of FIG. 9;
FIG. 15 is a front elevation view of FIG. 9; and,
FIG. 16 is a rear elevation view of FIG. 9.
The broken lines shown on the drawings depict portions of the desktop riser that form no part of the claimed design.