FIG. 1 is a perspective view taken from the top, front, and left side of a golf putting aid showing my new design;

FIG. 2 is a top plan view of the golf putting aid shown in FIG. 1;

FIG. 3 is a front elevational view of the golf putting aid shown in FIG. 1;

FIG. 4 is a rear elevational view of the golf putting aid shown in FIG. 1;

FIG. 5 is a left elevational side view of the golf putting aid shown in FIG. 1;

FIG. 6 is a right elevational side view of the golf putting aid shown in FIG. 1;

FIG. 7 is a perspective view taken from the top, front, and left side of another embodiment of a golf putting aid showing my new design;

FIG. 8 is a top plan view of the golf putting aid shown in FIG. 7;

FIG. 9 is a front elevational view of the golf putting aid shown in FIG. 7;

FIG. 10 is a rear elevational view of the golf putting aid shown in FIG. 7;

FIG. 11 is a left elevational side view of the golf putting aid shown in FIG. 7; and,

FIG. 12 is a right elevational side view of the golf putting aid shown in FIG. 7.

The broken lines are for illustrative purposes only and form no part of the claimed design.