Celtic Solstice Mystery Quilt--Accuquilt Style

I am loving the new mystery quilt by Bonnie Hunter, Celtic Solstice.  Here's the link if you'd like to join in:
Celtic Solstice Mystery
Above is a photo I snapped while making the orange/blue sets.  I stacked them in groups of ten to stay on track.
I'm using reproduction fabrics from my stash for this quilt.  I'm hoping not to buy anything, but the orange is running out fast.  Maybe I'll go to the fabric store this week, after the Black Friday shopping storm is over.

Bonnie gives great directions for making these units with the Tri-Recs rulers, but I just prefer the Accuquilt cutter.  And since it makes the same size we need for the mystery, I'm using the Triangles in Squares die.
I love the accuracy of the die cut pieces, especially the way all the corners are pre-trimmed, but in the past I have struggled with the way the Accuquilt cutter can waste fabric.  As a confirmed fabric miser, this was upsetting.  I figured out a way to minimize it, by subcutting the fabric before running it through the cutter.
Here's a quick tutorial on how to make these units.

Here's the die I'm using.  On the left, you can see the cuts for the center triangles.  On the right are the cuts for the side triangles.

I'm cutting side triangles here, so I measured the area on the die that cuts the side triangles, and added a smidge for insurance.  Then I cut my fabric pieces to that measurement, which in this case was 4.5 in. x 6 in.  It's easy to use scraps for this, or to cut yardage into 4.5 in. strips and sub cut them.  Notice the selvedge?  It will be cut away by the die, no need to trim it off.

This is the amount of wasted fabric I have from each cut.  It's a lot like making cookies with a cookie cutter.  I'm okay with this amount of waste.

VERY IMPORTANT--If you stack your pieces right side up before cutting, you'll only make the right side triangles.  If you stack them wrong sides up, you'll only make the left side triangles.  It worked best for me to do 4 layers at a time (less shifting), and to do all right sides on one pass and all wrong sides on the next pass.  This made them easy to sort into piles.
The center triangles are symmetrical, so you can stack them either right or wrong sides up, it doesn't matter.

Sometimes I save these little triangles on the ends of the waste pieces for string quilts.

Pieces cut, directions handy.


Now for the sewing!

The blunted corners make it easy to line the pieces up.  (Don't know why my dark orange looks yellow here.)

First side done, and finger pressed.
Then add the second side:

And that's that!
By the way, the triangle on the left is made from Liberty of London fabric I bought on a trip to London in the 1990s.  It was just too precious to cut for years.  I finally broke down and cut it, and I am loving it.

All these units are finished!  What's next, Miss Bonnie?