Place the straight edge at this measurement. Fold the valance fabric up and over the straight edge. The right side of the fabric is now on the surface, and you now have a 2-fold valance. Align the top edges and re-position the pins to include all 4 layers. Sew across the top of the valance 3/4 inch from the raw edges.
2. Decide on the length of the valance. Typically, the folds in a Mock Roman valance are 4 to 6 inches long. For example, for a 3-fold valance a length of 12, 15 or 18 inches is preferable. Valances are in good proportion to a window when they are a minimum of 25 percent of the perceived length of the window. Place the straight edge at this measurement. Fold the valance fabric up and over the straight edge. The right side of the fabric is now on the surface, and you now have a 2-fold valance. Align the top edges and re-position the pins to include all 4 layers. Sew across the top of the valance 3/4 inch from the raw edges. Decide on the length of the valance. Typically, the folds in a Mock Roman valance are 4 to 6 inches long. For example, for a 3-fold valance a length of 12, 15 or 18 inches is preferable. Place the straight edge at this measurement. Fold the valance fabric up and over the straight edge. The right side of the fabric is now on the surface, and you now have a 2-fold valance. Align the top edges and re-position the pins to include all 4 layers. Sew across the top of the valance 3/4 inch from the raw edges. I put my first command strip 8 inches from the top of the window, and then another one 2 inches below that, and the last one 2 inches below that one. I did this on both sides of the window. Step 6: To hang your shade up, put the valance back on your blinds and then loop the ribbon on the command strips. Ruler. Step 1: Make sure your fabric is cut about 2 inches wider than the window. If you want the fabric to drop all the way down to the bottom of the window when hung, then you need to add 1 inch seam allowance for the bottom plus the size of your valance and an inch for the top. 3. Calculate the cut fabric width as the width of the valance plus twice the width of the mounting board (the return) plus 2 inches. For a window 48 inches wide, mounted on a 1-by-2 inch board, the fabric cut width is 52 1/4. Place the straight edge at this measurement. Fold the valance fabric up and over the straight edge. The right side of the fabric is now on the surface, and you now have a 2-fold valance. Align the top edges and re-position the pins to include all 4 layers. Sew across the top of the valance 3/4 inch from the raw edges. Folded Pleats. Measure from the top of your board where your valance is going to end in your window and put a pin to mark it. {mine was 18″}. Starting at the bottom of the fabric, make a series of long, narrow accordion-style folds. First folding the fabric under about two inches, then up two inches, then under, then up. How much fabric you will need for the width of your window. To figure out how much fabric you will need, measure the width of your window and add 20″. This measurement includes the fold in the middle, side seams and the 3″ overhang past the window. Of course I saw that after I had this cut! To get started, you can practice with your fabric to see how tall you will make the shade. Mine were about 12 inches high and about 1 1/2 inches wider than the window on each side. Then you’ll know how much fabric to cut based on how big or how many folds you want in the shade. This was my chance to learn how to sew a roman shade. Here are the supplies you’ll need 1  : Decorative fabric. 2  Liner fabric. 3  Decorative ribbon {optional}. 4  Scissors, measuring tape, pins, sewing machine, staple gun, needle, thread. 5  Wood 1 inch x 2 inch. Okay, now that we have the materials out of the way, here is how I made the faux roman shades: Step one: Decide your measurements. I first measured the inside of my window frame. I added two inches to the width (an inch on either side to hem) and used the length of the window as my fabric length.  To make your own faux Roman shades, you'll also need tension rods (I used 4) and lining fabric (I used a white flat sheet). I made my liner first. Measuring inside my window casing where my shade will hang. The length of this will depend on how long you want your shade to be and the width will depend on your window.  Fold the fabric to give the valance the look of roman shades. Pick up the bottom line and place it 1 inch below the next line. Allow the fabric to fold in between the lines. Pin the line in place. Pick up the second line and place it 1 inch below the next line. Pin in place. Add 1-inch to the width of the batten. This is your valance finished width measurement. Cut the fabric to this measurement. Hem all four edges of the fabric with a 1/4-inch hem. Lay the fabric right side down on a flat surface. Mark the fabric with six horizontal lines.
http://homeguides.sfgate.com/make-mock-roman-shade-valance-72485.html http://homeguides.sfgate.com/make-mock-roman-shade-valance-72485.html http://www.thriftyandchic.com/2014/07/no-sew-faux-roman-shade-one-that-really.html http://homeguides.sfgate.com/make-mock-roman-shade-valance-72485.html http://www.cre8tivedesignsinc.com/2013/09/make-relaxed-roman-valance/ http://www.decoradventures.com/2013/04/easy-fake-roman-shade-tutorial.html http://lovegrowswild.com/2013/08/how-to-make-a-faux-roman-shade/ http://6504.blogspot.com/2013/02/diy-faux-roman-shade.html http://www.ehow.com/how_5833371_make-mock-roman-shade-valance.html
how to sew a faux roman valance