The ornamental design for a “frame of electronic cigarette case,” as shown and described.
FIG. 1 is a front, top and right side perspective view for a frame of electronic cigarette case showing my new design;
FIG. 2 is a rear, top and left side perspective view of FIG. 1;
FIG. 3 is a front elevational view of FIG. 1;
FIG. 4 is a rear elevational view of FIG. 1;
FIG. 5 is a left side elevational view of FIG. 1;
FIG. 6 is a right side elevational view of FIG. 1;
FIG. 7 is a top plan view of FIG. 1;
FIG. 8 is a bottom plan view of FIG. 1; and,
FIG. 9 is a front, top and left side perspective view of FIG. 1 shown in use.
The broken line portions of the frame of electronic cigarette case in FIG. 9 are shown to illustrate environment only and form no part of the claimed design.