Sew Easy: Cutting 60-Degree Triangles

Sew Easy: Cutting 60 Degree Triangles

This method for cutting 60-degree triangles allows you to cut this shape efficiently from strips, with little waste. Below you’ll find both video and image+text tutorials for this technique with clear, step-by-step instructions. PLUS—if you’ve found this lesson useful, you can download a copy of this AND many more Sew Easy lessons in our FREE eBooklet Sew Easy Lessons: The Essential Collection of Quilting Techniques. Click here to download your copy of this lesson plus many other tried-and-true patchwork tutorials!


Video Tutorial


Step-by-Step Sew Easy Instructions

  1. Begin with strip cut to desired height of triangle, plus ⅞” for seam allowance. Place ruler on strip, aligning 60-degree mark on ruler with one long edge of strip and trim.
  2. Reposition strip and align 60-degree mark on ruler with cut edge.
  3. Cut to make triangle.
  4. Align 60-degree mark on ruler along top edge of strip.
  5. Cut to make another triangle. Continue aligning 60-degree mark as described to cut remaining strip into triangles.

TIP: Equilateral triangles are those in which all three angles are 60-degree, and all sides are the same length. They can be rotated and sewn together in interesting ways, especially when cut from pieced strips.

Products used: Products used: Havel’s Self-Healing Cutting Mat, Havel’s 45mm Rotary Cutter, and Havel’s 6-½” Fabric Ruler. Check out Havel’s Sewing for more information and a complete catalog.

Fabric from Abstract Collage collection by Ampersand for Paintbrush Studio Fabrics.


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