Easy half square triangle sewing instructions. Half square triangle units, are perhaps the most ordinarily used patchwork quilt component. The half square triangle is a type of quilt block. At first, it looks like a two-triangle square. Although, most quilters know it by this humorous name, the half-square triangle. It looks like a square with a single diagonal line. Quilting Half Square Triangles
In theory, this seems like it would be straightforward, but many quilters find it tough to perform. The method used to make a half-square triangle is simple, but perfection in all steps is, as always, the key to excellence.
There are various ways to make the block. It is unadvisable to make a half square triangle with two triangle shaped pieces, because then you have to handle bias edges of the individual triangles. The first method is to build it from two squares. Quilt Blog
Step 1 is to cut two squares, from two distinctive fabrics.
Step 2 is to sew 2 diagonal lines, 1 half inch apart, centered from one corner to the opposite corner. It is most important to sew these 2 lines exactly one quarter of an inch from both sides of the center diagonal line.
Step 3 is to cut within the two rows of stitching and press each seam allowance to either side.
While this all seems simple, it is hard to get acceptably. Human error makes this hard. Pitfalls like stitching with too large or too small a seam, or cutting the fabric in a slapdash fashion. Also, fabric can have a life of its own. It tends to shrink up if too much heat from an overly hot iron is used, thereby making a skewed block. Lots of folks contend with this problem by creating their squares larger than called for, then trimming it to the correct size later on. Click here to go see some good Easy Quilt Patterns.