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Dunes & Sea Quilt

Fabric for this quilt is from the Tonga Harbor Batiks collection by Timeless Treasures. If you wish to use the same, we’ve included SKU numbers listed under Fabric. 

Dunes & Sea Quilt Pattern

DESIGNER: Quilt Street Exclusive 

MADE AND QUILTED BY: Heidi Pridemore of Whimsical Workshop 

DIFFICULTY LEVEL
ADVANCED

FINISHED QUILT SIZE:
80½” x 80½” 

FINISHED BLOCK SIZE: 16″ x 16″

Channel soothing ocean waves and a sunny day at the beach with Dunes & Sea. The cool fabrics used in this design capture the appeasing essence of the coast. Careful placement of colors and values creates the alternating waves of surf and sand. Although the quilt has the illusion of curves, everything is sewn with straight seams. 

The blocks are made of three units (Center Unit, Corner Units, and Side Units), and each unit has a mix of rotary-cut and template-cut patches. Accurate cutting of the templates is important for the blocks to come together properly, which will allow the different fabric colors to undulate across this beautiful quilt. 

Instructions:

Read through entire pattern before beginning project. Use ¼” seam allowances with fabric right sides together. Pressing arrows are included with diagrams. Basic quiltmaking supplies are assumed. Fabric requirements include extra yardage for shrinkage and insurance.

Print template patterns at 100%, making sure your printer is set to No Scaling. Trace template patterns onto quilter’s template plastic and transfer all marks and dots. Using an awl or thick needle, poke holes through templates at dots. Place template right side down on wrong side of fabric. Trace around template and transfer dots to fabric by marking through holes with fabric pen or pencil. Cut out on marked lines. Note that Template 4 is also used in reverse

(Template 4r).

Please Note: To obtain best results, heightened attention to organization is key. Due to the unique fabric placement in each block, we suggest taking extra care labeling fabric patches with the fabric letter, template number, and block number as you cut them. Taking this extra step to organize your pieces will contribute to a successful outcome.

WOF = width of fabric

HST = half-square triangle

LOF = length of fabric

r = reversed (for template orientation)

Fabric A: 1 yard navy batik (Navy Tonga-B5945) 

Fabric B: 4 yards solid white 

Fabric C: 1½ yards dark blue batik (Harbor Tonga-B8214) 

Fabric D: 1¼ yards medium blue batik (Steel Tonga-B1772) 

Fabric E: 1 yard midnight blue batik 

(Moonlit Tonga-B1938) 

Fabric F: 1 yard golden brown batik 

(Antique Tonga-B8383) 

Fabric G: ⅞ yard white tonal batik (Linen Tonga-B1944) 

Fabric H: ⅞ yard blue-green batik (Coast Tonga-B1603) Fabric I: ¾ yard pale blue batik (Dusk Tonga-B1503) 

Fabric J: ⅝ yard ivory batik (Almond Tonga-B1607) 

Fabric K: ⅝ yard turquoise-gold batik 

(Sage Tonga-B8380) 

Fabric L: ½ yard sky blue batik (Sky Tonga-B1942) 

Fabric M: ¾ yard dark blue for binding 

Backing: 7½ yards (for 44″/45″-wide) or 2½ yards 

(for 108″- wide backing) 

  • Batting: 90″ x 90″ piece 
  • Marking pen/pencil 
  • Quilter’s template plastic 
  • Awl or thick needle 

Note regarding templates: Rotate Template 1, Template 2, and Template 4/4 reversed by 180° for cutting each patch to minimize fabric waste. 


From Fabric A, cut: 

• (2) 4⅞” x WOF strips. Cut strips into: 

• (13) 4⅞” x 4⅞” squares. Cut each square in half diagonally to make 26 HSTs for Block 1, Block 3, 

and Block 5 

• (2) 4½” x WOF strips. Cut strips into: 

• (13) 4½” x 4½” squares for Block 1, Block 3, 

and Block 5 

• (2) 2⅞” x WOF strips. Cut strips into: 

• (26) 2⅞” x 2⅞” squares. Cut each square in half 

diagonally to make 52 HSTs for Block 1, Block 3, and 

Block 5 

• (2) 2½” x WOF strips. Cut strips into: 

• (26) 2½” x 2½” squares for Block 1, Block 3, 

and Block 5 


From Fabric B, cut: 

• (6) 2⅞” x WOF strips. Cut strips into: 

• (75) 2⅞” x 2⅞” squares. Cut each square in half 

diagonally to make 150 HSTs 

• (22) 2¾” x WOF strips. Cut strips into: 

• (150) Template 4 

• (150) Template 4r 

• (14) 2½” x WOF strips. Cut strips into: 

• (100) Template 1 

• (50) 2½” x 2½” squares 

• (12) 1½” x WOF strips. Cut strips into: 

• (200) Template 2 


From Fabric C, cut: 

• (1) 4⅞” x WOF strip. Cut strip into: 

• (5) 4⅞” x 4⅞” squares. Cut each square in half 

diagonally to make 10 HSTs for Block 1 

• (5) 4½” x WOF strips. Cut strips into: 

• (20) Template 3 for Block 1 

• (2) 2⅞” x WOF strips. Cut strips into: 

• (15) 2⅞” x 2⅞” squares. Cut each square in half 

diagonally to make 30 HSTs for Block 1 

• (2) 2¾” x WOF strips. Cut strips into: 

• (8) Template 4 for Block 2 

• (8) Template 4r for Block 2 

• (2) 1½” x WOF strips. Cut strips into: 

• (32) Template 2 for Block 2

From Fabric D, cut: 

• (1) 47/8″ x WOF strip. Cut strip into: 

• (4) 47/8″ x 47/8″ squares. Cut each square in half 

diagonally to make 8 HSTs for Block 2 

• (4) 4½” x WOF strips. Cut strips into: 

• (16) Template 3 for Block 2 

• (1) 27/8″ x WOF strip. Cut strip into: 

• (12) 27/8″ x 27/8″ squares. Cut each square in half 

diagonally to make 24 HSTs for Block 2 

• (2) 23/4″ x WOF strips. Cut strips into: 

• (12) Template 4 for Block 1 and Block 5 

• (12) Template 4r for Block 1 and Block 5 

• (3) 1½” x WOF strips. Cut strips into: 

• (48) Template 2 for Block 1 and Block 5 


From Fabric E, cut: 

• (2) 47/8″ x WOF strips. Cut strips into: 

• (12) 47/8″ x 47/8″ squares. Cut each square in half 

diagonally to make 24 HSTs for Block 2 and Block 4 

• (4) 4½” x 4½” squares for Block 2 and Block 4 

• (1) 4½” x WOF strip. Cut strip into: 

• (8) 4½” x 4½” squares for Block 2 and Block 4 

• (2) 27/8″ x WOF strips. Cut strips into: 

• (24) 27/8″ x 27/8″ squares. Cut each square in half 

diagonally to make 48 HSTs for Block 2 and Block 4 

• (2) 2½” x WOF strips. Cut strips into: 

• (24) 2½” x 2½” squares for Block 2 and Block 4 


From Fabric F, cut: 

• (1) 47/8″ x WOF strip. Cut strip into: 

• (4) 47/8″ x 47/8″ squares. Cut each square in half 

diagonally to make 8 HSTs for Block 2 

• (4) 4½” x WOF strips. Cut strips into: 

• (16) Template 3 for Block 2 

• (1) 27/8″ x WOF strip. Cut strip into: 

• (12) 27/8″ x 27/8″ squares. Cut each square in half 

diagonally to make 24 HSTs for Block 2 

• (1) 23/4″ x WOF strip. Cut strip into: 

• (6) Template 4 for Block 3 

• (6) Template 4r for Block 3 

• (2) 1½” x WOF strips. Cut strips into: 

• (24) Template 2 for Block 3 

From Fabric G, cut: 

• (1) 47/8″ x WOF strip. Cut strip into: 

• (3) 47/8″ x 47/8″ squares. Cut each square in half 

diagonally to make 6 HSTs for Block 3 

• (8) Template 4 for Block 2 

• (3) 4½” x WOF strips. Cut strips into: 

• (12) Template 3 for Block 3 

• (1) 27/8″ x WOF strip. Cut strip into: 

• (9) 27/8″ x 27/8″ squares. Cut each square in half 

diagonally to make 18 HSTs for Block 3 

• (1) 23/4″ x WOF strip. Cut strip into: 

• (8) Template 4r for Block 2 

• (2) 1½” x WOF strips. Cut strips into: 

• (32) Template 2 for Block 2 


From Fabric H, cut: 

• (1) 47/8″ x WOF strip. Cut strip into: 

• (3) 47/8″ x 47/8″ squares. Cut each square in half 

diagonally to make 6 HSTs for Block 3 

• (3) 4½” x WOF strips. Cut strips into: 

• (12) Template 3 for Block 3 

• (1) 27/8″ x WOF strip. Cut strip into: 

• (9) 27/8″ x 27/8″ squares. Cut each square in half 

diagonally to make 18 HSTs for Block 3 

• (1) 23/4″ x WOF strip. Cut strip into: 

• (4) Template 4 for Block 4 

• (4) Template 4r for Block 4 

• (1) 1½” x WOF strip. Cut strip into: 

• (16) Template 2 for Block 4 


From Fabric I, cut: 

• (1) 47/8″ x WOF strip. Cut strip into: 

• (2) 47/8″ x 47/8″ squares. Cut each square in half 

diagonally to make 4 HSTs for Block 4 

• (2) 4½” x WOF strips. Cut strips into: 

• (8) Template 3 for Block 4 

• (1) 27/8″ x WOF strip. Cut strip into: 

• (6) 27/8″ x 27/8″ squares. Cut each square in half 

diagonally to make 12 HSTs for Block 4 

• (1) 23/4″ x WOF strip. Cut strip into: 

• (6) Template 4 for Block 3 

• (6) Template 4r for Block 3 

• (2) 1½” x WOF strips. Cut strips into: 

• (24) Template 2 for Block 3

From Fabric J, cut: 

• (1) 47/8″ x WOF strip. Cut strip into: 

• (2) 47/8″ x 47/8″ squares. Cut each square in half 

diagonally to make 4 HSTs for Block 4 

• (2) Template 4 for Block 5 

• (2) Template 4r for Block 5 

• (2) 4½” x WOF strips. Cut strips into: 

• (8) Template 3 for Block 4 

• (1) 27/8″ x WOF strip. Cut strip into: 

• (6) 27/8″ x 27/8″ squares. Cut each square in half 

diagonally to make 12 HSTs for Block 4 

• (8) Template 2 for Block 5 


From Fabric K, cut: 

• (1) 47/8″ x WOF strip. Cut strip into: 

• (1) 47/8″ x 47/8″ squares. Cut square in half 

diagonally to make 2 HSTs for Block 5 

• (3) 27/8″ x 27/8″ squares. Cut each square in half 

diagonally to make 6 HSTs for Block 5 

• (1) 4½” x WOF strip. Cut strip into: 

• (4) Template 3 for Block 5 

• (1) 23/4″ x WOF strip. Cut strip into: 

• (4) Template 4 for Block 4 

• (4) Template 4r for Block 4 

• (1) 1½” x WOF strip. Cut strip into: 

• (16) Template 2 for Block 4 


From Fabric L, cut: 

• (1) 47/8″ x WOF strip. Cut strip into: 

• (1) 47/8″ x 47/8″ squares. Cut square in half 

diagonally to make 2 HSTs for Block 5 

• (3) 27/8″ x 27/8″ squares. Cut each square in half 

diagonally to make 6 HSTs for Block 5 

• (1) 4½” x WOF strip. Cut strip into: 

• (4) Template 3 for Block 5 


From Fabric M, cut: 

• (9) 2½” x WOF strips for binding 

Block Assembly

Referring to Diagram 1a, lay out (1) Fabric A 4½” square and (2) Fabric B, Template 1 triangles, as shown. Sew triangles to opposite sides of square and press. Sew (2) Fabric B, Template 1 triangles to remaining sides to make unit. Next, join (2) Fabric A 47/8″ HSTs to opposite sides of unit, then sew (2) Fabric C 47/8″ HSTs to remaining sides to make Block 1 Center Unit. Make 5. In same way, make Center Units in fabric combinations and quantities shown in Diagram 1b. 

Dunes & Sea Quilt, Diagram 1A

Dunes & Sea Quilt, Diagram 1B

In same way, lay out (1) Fabric A 2½” square and (2) Fabric B, Template 2 triangles (Diagram 2a). Sew triangles to opposite sides of square and press. Sew (2) Fabric B, Template 2 triangles to remaining sides to make unit. Next, join (2) Fabric A 27/8″ HSTs to opposite sides of unit, then sew (2) Fabric C 27/8″ HSTs to remaining sides to make Block 1 Corner Unit I. Square to 4½”. Make 10. In same manner, make Corner Units in fabric combinations and quantities shown in Diagram 2b. 

Dunes & Sea Quilt, Diagram 2A

Dunes & Sea Quilt, Diagram 2B

Lay out (1) Fabric C, Template 3 diamond and (2) Fabric B, Template 4 right triangles (Diagram 3a). Sew triangles to opposite sides of diamond and press. Paying attention to placement, sew (1) Fabric D, Template 4r to remaining sides of diamond to make Block 1, Side Unit 1. Make 10. In same manner, make Side Units in fabric combinations and quantities shown in Diagram 3b


Dunes & Sea Quilt, Diagram 3

Paying attention to placement and orientation, lay out (1) Block 1 Center Unit, (4) Block 1 Corner Units, and (4) Block 1 Side Units (Diagram 4). Sew units into (1) Fabric D, Template 4r to remaining sides of diamond to make Block 1, Side Unit 1. Make 10. In same manner, make Side Units in fabric combinations and quantities shown in Diagram 3b.

Dunes & Sea Quilt, Diagram 4

Referring to Block Diagrams for correct fabric placement, in same manner as in Steps 1–3, make (8) Block 2, (6) Block 3, (4) Block 4, and (2) Block 5. 

Quilt Assembly and Finishing

Paying attention to orientation and referring to Block Position Key and Quilt Assembly Diagram, lay out (25) Storm at Sea Blocks as shown. Sew into rows; sew rows together to complete Dunes & Sea quilt top. 

Dunes & Sea Quilt, Block Key

Dunes & Sea Quilt, Assembly

  1. Trim selvage edges from 7½ yards of backing fabric, fold yardage in half lengthwise, and cut into (3) 90″ x WOF pieces. Sew pieces together along LOF edges; press seams to one side. 
  2. Center and layer backing, batting, and quilt top to make a quilt sandwich; baste layers together and quilt as desired. 
  3. Trim batting and backing even with quilt top. 
  4. Using diagonal seams, make Fabric M binding from (9) 2½” x WOF strips. Fold binding in half lengthwise, matching wrong sides; press length. Sew binding to quilt top and miter corners; join binding ends as desired. Press binding away from quilt top and fold over quilt’s edge to back of quilt. Hand-stitch binding in place to finish.
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