Spangle Butterflies Quilt – Free Pattern

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The large blocks of this quilt make for quick assembly. Show off a favorite fabric, or mix it up for a scrappy look. The Spangle Butterflies quilt goes together in an afternoon or over the weekend.

Spangle Butterflies

60″ x 60″

by Emily Cross

Fabric Requirements

Blue – 1 3/8 yards
Blue Border – 1 yard
White – 1 7/8 yards
Binding – 5/8 yard
Backing – 4 yards

Cutting Instructions

From the blue fabric, cut:
(18) 7″ x 7″
(7) 4 1/2″ x 4 1/2″
(20) 3 1/2″ x 6 1/2″

From the blue border fabric, cut:
(6) 5″ x Width of Fabric (WOF) strips

From the white fabric, cut:
(18) 7″ x 7″
(7) 4 1/2″ x 4 1/2″
(12) 3 1/2″ x 15 1/2″
(16) 3 1/2″ x 6 1/2″

From the binding fabric, cut:
(7) 2 1/2″ x WOF strips

Half Square Triangle (HST) Units

Mark the wrong side of the white 7″ squares in half diagonally once. Lay a marked square over a blue 7″ square, right sides together. Sew 1/4″ from each side of the marked line. Cut apart on the marked line.

Trim unit to 6 1/2″ square. Make 36 white/blue HST.

Quarter Square Triangle (QST) Units

Mark the wrong side of the white 4 1/2″ squares in half diagonally once. Lay a marked square over a blue 4 1/2″ square, right sides together. Sew 1/4″ from each side of the marked line. Cut apart on the marked line and press to make 2 HST.

Take the HST from the previous step. Mark the wrong side of one of the HST in half diagonally once. Lay the marked HST over the other HST with opposite colors facing each other. Sew 1/4″ from each side of the marked line. Cut apart on the marked line to make 2 white/blue QST. Trim QST unit to 3½” square.

Repeat to make 13 QST units. (14 will be made using this method, one is not needed.)

Block Assembly

Dark Block

Referring to the block below, arrange 4 HST, 1 QST, and 4 blue 3 1/2″ x 6 1/2″ rectangles as shown. Sew all the pieces into rows. Sew the rows together to complete the block. Block measures 10 1/2″ x 10 1/2″ unfinished. Make 5.

spangle butterflies quilt

Repeat the same process with 2 HST, 1 QST, and 4 white 3 1/2″ x 6 1/2″ rectangles as shown below. Make 4.

spangle butterflies quilt

Border Strips Assembly

The border strips need to be sewn together into one long continuous strip and a diagonal seam will help hide where two strips are joined. To start, gather the blue border 5″ x WOF strips.

On a hard workspace, place a strip right side up horizontally with the tail (long ends) pointing towards your non-dominant hand. Lay another strip over the first strip at a 90-degree angle, right sides together, with the tail pointing towards you.

Place a ruler over the strips intersecting at a 45-degree angle as shown below and mark.

Pin the selvage ends and carefully fold the strip open following the marked line to check that the seam will create a long, continuous strip.

Once you’ve confirmed, replace the top strip over and secure with another pin. Sew on the marked line and trim a 1/4″ seam allowance.

Repeat until all the strips are sewn together.

From the continuous strip, cut the following for the border:
(2) 5″ x 60 1/2″
(2) 5″ x 51 1/2″

Repeat for the binding strips.

Quilt Assembly

Use the quilt diagram below to lay out the rows. Use the light and dark blocks, white 3 1/2″ x 15 1/2″ sashing strips, and 4 QST units as shown.

spangle butterflies quilt

Sew all the pieces into rows. Sew the rows together to complete the quilt center.

Then sew the border on, starting with the side borders and finishing with the top and bottom borders.

Layer the quilt top with batting and backing. Quilt as desired and bind using your preferred method.

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