Instructions to Make a Triangle Valance

Written by kathryn hatashita-lee
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Instructions to Make a Triangle Valance
A triangle valance sewn with a lining can hide raw edges without hemming. (clothes image by Zbigniew Nowak from Fotolia.com)

A triangle valance adds a geometric look with three corners that draw attention away from the boxy look of square or rectangle window casements. Because this shape covers only part of the window, the view remains unobstructed in the lower part of the window. The triangular shape embellished with tassels and fringes can give a dramatic or medieval theme. Stitching lines that follow an arc rather than a straight line can create a graceful shape.

Skill level:
Moderate

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Things you need

  • Fabric
  • Lining
  • Matching thread
  • Yardstick
  • Tailor's chalk or pencil
  • Tape measure
  • Sewing machine
  • Hand-sewing needle
  • Straight pins
  • Iron
  • Ironing board
  • Scissors
  • Drapery clips
  • Curtain rod

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Instructions

  1. 1

    Measure the width of the curtain rod. Add 1 inch to this total for the seam allowances.

  2. 2

    Measure the drop or vertical length for the finished curtain. Add 1 inch to this total.

  3. 3

    Cut a rectangular piece of fabric according to the measured dimensions.

  4. 4

    Mark the halfway point along the bottom edge of the fabric with tailor's chalk. With a yardstick as a guide, draw one long line from the top left corner of the fabric down to this lower point; repeat for the top right corner. One large triangle will form in the centre, plus two smaller right-angled triangles at the sides.

  5. 5

    Repeat cutting and marking steps for the lining.

  1. 1

    Place the lining with the finished side up on a flat surface. Place the fabric with the unfinished side up over the lining. Pin these two pieces together.

  2. 2

    Place the top edge of the triangle on the machine's needle plate. Select a straight stitch from the machine's pattern selector.

  3. 3

    Machine stitch one-half inch from the raw edges, beginning at the top edge. Remove each pin as the fabric pieces skim the needle plate. Stop stitching approximately 5 inches from the beginning stitch to leave a gap. Trim the threads.

  4. 4

    Press gently on the seam allowances to set in the stitches. Grade or trim the fabric seams to reduce the bulk. Trim the three corners.

  5. 5

    Turn the triangle to the right side out by reaching through the gap. Insert a pencil or other slender tool through the gap and poke each corner to fashion the corner points. Hand sew the gap.

  1. 1

    Iron the valance.

  2. 2

    Attach the drapery clips to the back of the valance, along the top edge.

  3. 3

    Install the valance on the curtain rod for a flat, or slightly gathered, effect.

Tips and warnings

  • The curtain fabric should have enough body and sturdiness to maintain the triangular shape. The fabric should not curl or sag.
  • For a rod pocket along the top, sew two rows of stitching along a length of bias tape across the lining's top edge. The width of the tape needs to accommodate the circumference of the curtain rod.
  • Sewing the two remaining small triangles can complement the large triangle valance at the sides.

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