Disappearing Hour Glass – A Short Tutorial

I’ve been making blocks for the quilt that DH requested. I saw a You Tube video of how to make this, probably from Missouri Star Quilt Company. These have been a lot of fun to make, so I thought I’d show my process.

First I had to change the sizes that I started out with, because I needed to make a specific size block. I wanted to end up with an 8 1/2″ block, so my hourglass block needed to measure 9 1/2″. It took me a surprising amount of time to work out the measurements that I needed, but I finally figured out that I needed to start with 5″ half square triangles. For each block you need to make four HST and then sew them together in an hourglass arrangement.

What ever you do, don’t sew them together into a pinwheel (ask me how I know!?!) There is a disappearing pinwheel design that you can try, but this is not what we are doing today! Avoid this!!

Once you’ve sewn the HST into the hourglass, you will cut it apart. Now, because I made my blocks in an odd size (9.5″), I have to cut it apart in an odd size. I measure 1 5/8″ from the center and make four cuts like this:

Finally, rearrange the pieces – the center gets rotated one turn so that the dark squares are matched with the light parts of the other units and the light squares match with the dark. Each outer corner block is turned 180 degrees so that the small triangle is at the outer corner of the unit.

Then you just sew it together as a nine patch block and Voila! you have a lovely little block! And, of course, I do not have a photo of a finished block right now!

There are other ways to rearrange the units, once you have cut the hourglass block apart. I encourage you to experiment and have some fun.


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