This star pattern used half-square triangles and the Y seam. It makes a lovely Holiday Star. One can uses many colors

Memory Star in graphed out form.

Layout for Memory Star. 6 different fabrics were used, light, medium and dark.

The first unit to stitch is the paper pieced Half Square Triangle. Make 8.

Half Square triangles in a unit will measure 4 1/2″ x 4 1/2.”

Layout for y-seam unit. The unit will measure 4 1/2″ x 4 1/2″ when sewn together. Mark 1/4″ at point to begin and end stitching.

Y-seam layout with dots marked for stitching.

The Y seam is a special unit to be used when sewing fabrics to form a corner.

One section sewn together with 3 units.

Finished block will measure 12- 1/2″ x 12 -1/2.”