McCall's Sewing Pattern 8918 Window Treatments Curtains Shades Valances MCCALL'S SEWING PATTERN 8918 WINDOW TREATMENTS CURTAINS SHADES VALANCES DESCRIPTION McCall's Sewing Pattern 8918, Window Essentials. More like a guidebook that tells you how to make curtains rather than an actual pattern. All cut patterns are verified to pieces present and size cut. Questions? Please ask...