Create Your Own Trapezoid Window Curtains Create Your Own Trapezoid Window Curtains

What You'll Need
Fabric
Thread
Scissors
Pins
Iron
Ironing board or flat surface
Sewing machine
Straight edge or ruler
Newspaper for paper pattern

Many homes have windows that are odd shapes and sizes, such as trapezoid windows. While they add a unique look to a room or the outside of the house, they pose more difficulty when choosing treatments. Odd shaped curtains or blinds are more expensive and can be a daunting do-it-yourself project. However, if you have any experience with a sewing machine and basic sewing skills, you can make your own decorative window treatment at a fraction of the cost.

Step 1: Fabric Selection

In order to avoid needing a lining, choose appropriate fabrics determined by the location of the window (i.e., privacy or direct sunlight). A good material for this project is broadcloth. This material is very versatile and launders well, and is also a great fabric for novice sewers.

Step 2: Fold the Fabric

Fold fabric in half, right sides together, matching selvages (the finished or uncut edges of the fabric).

Step 3: Create a Pattern

Create a paper pattern to lay on the fold. Measure the width of your trapezoid and add a half of the width for gathering. Lengthwise, you’ll want to add 6 inches to make a casing for your rods. Keep in mind the pattern will not be symmetrical. To do the pattern, place newspaper fold on fold of fabric. Transfer width and height measurements as determined above and draw lines in the shape of your window. When unfolded, fabric will be the entire correct size.

Step 4: Cut Pattern

Cut out the pattern along the lines. Open up your fabric. It should look like your window, only larger.

Step 5: Prepare Fabric

Lay fabric on ironing board or flat surface, right side down. On each width side turn half an inch to opposite side and press. Turn half an inch again and press. With scissors, trim any excess corners in relation to your window shape, to keep an even line. With sewing machine, stitch 3/8-inch from edge of fold.

Step 6: Repeat in Reverse

In this next step, the instructions for the top and bottom will be the same. Lay fabric on ironing board or flat surface right side down. Turn back 3 inches from right side and press. Fold under and don't trim any excess points. On the cut edge, fold under half an inch, press and pin. With sewing machine, stitch 1/8- to 1/4-inch from the just completed fold and do the same with the other side.

Step 7: Prepare for Rod

Measure width of drapery rod and add 1/2-inch. This will give you room to insert the drapery rod into the casing and finished ruffled edge. From that measurement, draw a line from the stitching line on each top and bottom casing line towards the fold. Stitch along this line. 

Step 8: Finishing Touches

Insert drapery rods through the top and bottom stitching lines.  The width of the ruffle will be determined by the size of your curtain rod.

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