The half-square triangle, or right angle triangle, may be the workhorse in traditional patchwork design but we shouldn’t overlook other types of triangles.  Equilateral, scalene, acute and obtuse triangles can add drama and excitement to our quilts.  I suspect some of these types of triangles are used less frequently because they are not as easy [...]

After squares, triangles are easily the most used geometric shapes in patchwork quilts.  More specifically, it is the right angle triangle – the half-square triangle – that quilters treasure.  This particular triangle has two sides of equal length, two interior angles of 45°, and a third interior angle of 90° (the right angle).  A right angle [...]