learn all about quarter square triangles, where they are used and why as well as making quarter square triangle blocks.
what are quarter square triangles?
a quarter square triangle is a square that is cut through the diagonal twice to give four triangles.
four half square triangles make a square.
how are quarter square triangle blocks made?
cut squares of fabric the required size. for this lesson we will use 3 1/4" squares.
there are two steps to making quarter square triangle blocks.
press your half square triangle open but do not trim.
step two: place two half square triangle blocks together so seams are matching directly on top of each other.
draw a diagonal line through the block 