One of my favorite quilting units or blocks is the simple half square triangle. They are easy to make and, depending on the colors and fabric you use, can form incredible designs. We have rounded up 12 free quilt patterns that are either made completely out of half square triangles, or incorporate them heavily in the pattern.
Polka Dot Chair has a charming half square baby quilt that is sure to bring a smile to any new parents.
Diary of a Quilter’s multi-colored and easy-to-make quilt shines in the sun.
Inspired Quilting by Lea Louise has a great half square baby quilt pattern for charm squares.
Lots of brightly colored fabrics make this baby quilt design from Diary of a Quilter sparkle.
Turn half square triangles into pinwheels with this pretty pattern from Pink Polka Dot Creations.
Make a Carpenter’s Star quilt with this handy tutorial from Missouri Quilt Company.
Jillily Studio has a tutorial for making a wreath or tree out of half square triangles.
Lemon Squeezy Home has a tutorial for a show-stopping quilt.
With the right fabrics you can make a galaxy quilt from half square triangles with Mythic Seam.
Bold and beautiful is what I would call this quilt pattern from Fairfield.
This half square triangle quilt pattern from Quilting Mod practically sparkles.
Learn how to make quick pieced half square triangle units, also known as triangle squares or simply as HSTs. Half Square Triangles, or HSTs for short, are one of the most versatile quilt blocks to make. Quilters frequently make use of half square triangles to make wonderful quilts from their fabric stash. The triangle is a basic quilt block shape that is frequently used. Half-square triangles are easily made from two squares by cutting them on the diagonal from corner to corner. From 1880 to 1910, people use a fascinating assortment of fabrics often used from recycled clothing and cloth.