Double-layer Blind

FIG. 1 is a front elevational view of a double-layer blind showing the new design; FIG. 2 is a rear elevational view thereof; FIG. 3 is a left-side elevational view thereof, the right-side elevational view being a mirror image of the left-side elevational view thereof; FIG. 4 is a top plan view thereof; FIG. 5 is a bottom plan view thereof; FIG. 6 is a front, right-side, bottom perspective view thereof; FIG. 7 is a rear, left-side bottom, perspective view thereof; FIG. 8 is a front, right-side, bottom perspective view thereof showing the front curtain in a partially raised position; FIG. 9 is a front elevational view thereof showing the front curtain in a fully raised position; FIG. 10 is a rear elevational view thereof showing the back curtain removed; FIG. 11 is a top plan view thereof showing the rear curtain in a completely raised position; and, FIG. 12 is a bottom plan view thereof showing the rear curtain in a completely raised position. The broken lines depict parts of the double-layer blind that form no part of the claimed design.