Make them any size
using your 12" & 24" rulers

First, Watch This Video:

Tool You Need

Step 1:

Attach one H Addition to your
12" ruler or two on your 24" ruler

For Left-handed Cutting,
Attach them to the left side.

Step 2:

Choose the whole-number
ruler line equal to
half the finished block size.

Step 3:

Line up with the selected
whole number to cut strips.

Step 4:

Cut the squares
diagonally in half.
Your triangle squares finish at
the selected whole-number size
with the exact seam
allowance already included.

About Suction Cups:

• Make sure to add a drop of water to the suction cups for the best grip.
  
• To remove the Addition, lift the release tabs on the suction cups.

Optional Tool #1

Step 5:

Trim triangle points accurately.

a) Trimming makes the pieces
easier to align and sew.

b) It also makes each HST the
same size as the center square.

8-Page Booklet

Step 6:

Cut the center square
the same size as
the trimmed HSTs

Step 7:

Sew an Accurate scant 1/4" Seam.

The secret to sewing accurately
is a Scant ¼" seam allowance:

Optional Tool #4

Super Easy
Seam Guide Setter

After cutting accurate pieces
sew them together accurately
using the Seam Guide Setter.

If you have a Basic Set that
doesn't include the Setter,
Get one here:

Make Multiple (Nested)
Diamond in a Square Units

To add another, bigger outer square, you will need to cut four half square triangles.

1) Measure the first inner square by adjusting the Fabric Guide on
your ruler. Then, attach the H Addition to the ruler, and line up the fabric.

2) Cut two squares. Then, cut them in half diagonally to make
four half square triangles, which
will form the larger outer square.

3) Trim both ends of the HSTs
with the Prep-Tool.

4) Sew the HSTs to the original Diamond in a Square unit,
using the Super Easy Seam Guide Setter.

Make 9 &16-patch blocks any size,
using the same tools.

Seam Allowances for HSTs
and QSTs are not what you think.