The hourglass patch/block goes by several names – quarter-square triangle is a more common one. It starts out as a half-square triangle patch so the first part of this tutorial is much the same as my post on that subject.
The Nine-Patch quilt block is probably the most used block in the quilting world. It is very easy to sew and sooooo many blocks use the nine-patch layout in construction. We'll go over a few different ways to construct the block.