Curtain Spacer

FIG. 1 is a perspective view of the curtain spacer, which embodies my design; FIG. 2 is a top view thereof; FIG. 3 is a bottom view thereof; FIG. 4 is a right side view thereof; FIG. 5 is a left side view thereof; FIG. 6 is a front view thereof; and, FIG. 7 is a rear view thereof. Portions of the drawings shown in broken lines illustrate portions of the curtain spacer and form no part of the claimed design.