The half square triangle unit is probably the most commonly used patch in a quilt block -- well it is second only to the square. It is made simply with two triangles, filling up half the square each -- hence the name. Take a quick look through this website, or in any quilting magazine, and you will start to notice that this half square triangle, regardless of its size, is present in more quilts than not.
Free Quilt Block Pattern
The Indiana Puzzle is a perfect block to start with if you are new to making quilts. This quilt block uses simple squares and the most common pieced quilt patch called the half square triangle. This particular patch will be seen in many, many quilts that you will see in your quilting journey.
The Indiana Puzzle block also will introduce you to the most common quilt block layout -- the nine patch, so named because the final construction of the block uses nine patches to make up the quilt block.
The sample quilts illustrated show just how very different your resultant quilt can be, just by choosing a different layout than another quilter.
Related: Indiana Star