Tuesday’s Triangle — Half Square Triangle #2

26 07 2011

For today’s triangle, start with two squares of fabric 7/8 of an inch larger than the desired finished block size (a background color and the theme color).  In my example I wanted a 2″ finished half square triangle, so I cut the squares 2-7/8 inches.  (The square could be cut even larger and then the block would need to be squared up after it was sewn.)

Mark a line from one corner to the opposite corner on the wrong side of the lighter square.  Layer the two squares of fabric with right sides together.

At the sewing machine line up the edge of a quarter-inch foot with the line, and stitch down that side of the line.

Don’t bother to cut the thread, just lift the presser foot and turn the square so the edge of the quarter-inch foot can be lined up on the other side of the line.  Stitch again on that side.  (If chain piecing more than one square, sew all the way down one side of all the pieces then turn and come back on the other side of the line.)

Cut the square in half on the drawn line.

Press the seams toward the darker fabric, and there are now two half square triangles for the price of one.

I promise these are more square than they look.  I was in a hurry to get this written before leaving for work, so just finger pressed the seams, which means they aren’t laying  as flat as they will after using an iron.

Pros and cons.  Pro – the vast majority of the waste (as seen in last week’s method) has been eliminated.  There would be a very small amount when the dog ears ar trimmed.  Or there would be waste if the square was cut larger and squared up after sewing.  The only real con for me is having to mark the line for each set of triangles.

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