Quilting Basics: 3-Color Quarter Square Triangles

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Time for another basic quilting tutorial. This one is just like the hour glass, but using three different colors. Each side is the same, and the top and bottom are different.

Cut List

  • 1- 5 1/2” x 5 1/2” light-colored fabric (white)
  • 2- 5 1/2” x 5 1/2” medium-colored fabric (pink)
  • 1- 5 1/2” x 5 1/2” dark-colored fabric (red)

We’re going to pair up a pink fabric with each of the red and the white squares.

Draw a diagonal line from one corner to the opposite corner on the light fabric in each group.

With right sides together, sew 1/4” down each side of the diagonal. Cut down the diagonal, and trim to 5”. (I like using this HST clearly perfect spotted trimmer. You only have to trim 2 sides, before pressing open.)

Press open toward pink side. You now have two HST triangles that are white and pink and two HST triangles that are pink and red.

Now take one red/pink HST and one white/pink HST. Place them so the seams line up and the pink are on opposite sides. It’s very important that seams line up, if not, you won’t have the perfect cross in the center.

Note: the seams should be nesting, as they are both pressed toward the pink.

Draw a diagonal line from one corner to the opposite corner, so it’s perpendicular to the seam line. Sew 1/4” down each side of the line.

Cut along the diagonal line.

Trim each triangle to 4 1/2”. (Once again, I used the clearly perfect slotted trimmer.)

Press open.

And here you have it: a Quarter Square Triangle, 3-colored.

Next week, we’re changing tactics. See you then.