FIG. 1 is a perspective view of a frame element showing my new design;
FIG. 2 is a front elevation view thereof;
FIG. 3 is an enlarged view of the rectangular area in FIG. 2;
FIG. 4 is a rear elevation view thereof;
FIG. 5 is an enlarged view of the rectangular area in FIG. 4;
FIG. 6 is an enlarged left side elevation view thereof;
FIG. 7 is an enlarged right side elevation view thereof;
FIG. 8 is a top plan view thereof;
FIG. 9 is an enlarged view of the rectangular area in FIG. 8;
FIG. 10 is a bottom plan view thereof; and,
FIG. 11 is an enlarged view of the rectangular area in FIG. 10.
The broken lines in the drawings illustrate portions of the frame element that form no part of the claimed design.