How to Sew Perfect Quarter-Square Triangles

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Choose Between Three Variations!

If half-square triangles are the primary workhorses of quilt design, quarter-square triangles (QSTs) come in at a close second. You’ll find these units in many block and quilt designs.





Three variations make the units extremely versatile. First are standard QSTs, then there are split QSTs and finally Hourglass units.

How to Sew Perfect Quarter-Square Triangles

All three versions are simple to make and start with half-square triangles. Emily Dennis has written an excellent article demonstrating how to make accurate QSTs. She goes on to show how three common blocks are made from them: Card Trick, Ohio Star and the Double Pinwheel block.

Click here for the “How to Sew a Perfect Quarter-Square Triangle” tutorial.

In a second article, from Kirsty at Bonjour Quilts, you’ll find more helpful information about these units. She goes on to explain how to trim them and includes a handy chart for making and trimming QSTs from 1″ to 13 1/2″ in size.

Click here for the “Quart Square Triangles” article.

 

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