Fancypants Sewing Tutorial


Custom-Fit Wide-Leg Lounge Pants to Sew


There is no pant more comfortable than one that has been custom fit to your own particular curves. With just a few measurements and a little bit of math, you can have a pair of cozy and relaxing lounge pants or pajama bottoms in your favorite fabric.

These pants have been designed to have a feminine fit: close-fitting in the hips and bottom, with a wide luxurious straight leg. (Instructions are given for changing the silhouette if you prefer a tapered leg, or a looser fit in the seat.) Use the same pattern to make long pants, shorts, or a cropped length!

This tutorial uses plain English to walk you through the process of measuring yourself, translating those body measurements into pattern measurements, making a custom pattern, and finally sewing the pants. There’s no confusing sewing terminology, so it’s accessible to the beginner.

Required Skills

The project is suitable for motivated beginners.  If you can sew a straight line and do a little basic math, then you can do this!

The pattern includes a printable worksheet to help you use your measurements to draft a custom pattern. If you would prefer to leave the math to someone else, I’ve created a calculator that you can use here.

Topics Covered

More than just a simple sewing pattern, this ebook is like a mini-class. Each topic includes step-by-step instructions and photos where appropriate.

You will learn:

  • How to measure yourself for elastic-waist pants
  • How to calculate pattern measurements from your body measurements
  • How to draft a pattern from your calculations
  • How to indicate a variety of different pant lengths on a single pattern
  • How to construct elastic-waist pants from your pattern
  • How to make an elastic casing
  • How to hem your pants


  • How to adjust the pattern for a roomier hip area
  • How to adjust the pattern to have a tapered leg
  • How to adjust the pattern to have a narrower straight leg
  • Variations
  • Resources to help you learn more

Tools and Materials

  • 3 to 4 yards of 42-inch wide light-to-medium weight fabric -OR- a fun bed sheet from the thrift shop
  • tape measure
  • yard stick
  • roll of tracing paper or newsprint paper
  • scissors
  • sewing machine
  • thread to coordinate with fabric
  • 1/2-inch elastic
  • iron
  • pins


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Additional information

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