How to make arched curtains

Written by joanne thomas
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Curtains that arch over a window and fall at the sides in soft pleats can add a casual, romantic look to your decor. Because they do not close, arched curtains are often added as a decorative frame around a plain blind or other under-drapery. They should be lined with a complementary fabric because parts of the lining will be visible at the edges of the pleats.

Skill level:

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Things you need

  • Fabric
  • Lining
  • Curtain rod
  • Sewing machine & thread
  • Tape measure
  • Scissors
  • Pencil or tailors' chalk
  • Round template, e.g., a dinner plate

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  1. 1

    Mount the curtain rod and measure its width. Measure the length from the rod to the lowest point where you want the sides of the curtain to fall. Also measure the length from the rod to where you want the highest point in the middle of the arch to be.

  2. 2

    Cut both fabric and lining two times the width of the curtain rod. Draw two vertical lines on the fabric panel dividing it into exact thirds.

  3. 3

    Calculate the length of the curtain at the longest point plus a heading and rod pocket, plus hem allowances. Do the same for the highest point in the centre of the arch.

  4. 4

    Fold the curtain panel in half width-wise with the right sides together. At the outer edge, measure and mark the length of the longest side.

  5. 5

    At the central fold, measure and mark the length at the shortest point. Do the same on the line you drew to divide the panel into thirds. Draw a straight line between these two points, then draw a diagonal line from the inner point to the lower point on the side of the panel.

  6. 6

    Round the upper corner of the pattern shape using a dinner plate.

  1. 1

    Pin the two layers of fabric together and cut the curtain shape out. (You are basically removing a wedge from the centre of one large curtain panel.)

  2. 2

    Use the fabric piece as a pattern to cut the lining, then place the lining and curtain pieces together with the right sides facing.

  3. 3

    Sew a 1/2-inch seam around the entire perimeter of the curtain except for the straight upper edge.

  4. 4

    Clip into the seam allowance around the curved edges, then turn the piece right sides out. Press well.

  5. 5

    Turn over the heading and stitch it in place. Stitch a straight line across the width of the heading to form a casing for the curtain rod.

Tips and warnings

  • Sketch the arched curtain you want before you start; create different shaped arches by adjusting this basic pattern slightly.

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