Starburst block

myQuiltGenie
Starburst block

1 - 12" block using 44" fabric bolt width.

Instructions and calculator to make Starburst block. Uses 2 fabrics and templates.

[top]Settings

Block size
Number of blocks
Fabric bolt width

[top]Fabrics

Fabric 1
Fabric 1
Cut 1 strip 5 inches wide. Subcut strips into 4 squares. Also subcut into 4 template B triangles using cutting instructions below.
Fabric 2
Fabric 2
Cut 1 strip 31/2 inches wide. Subcut strip into 1 square.
Cut 1 strip 5 inches wide. Subcut strips into 8 template A triangles using cutting instructions below.

[top]Template Cutting Instructions

Figure 1
  • Add 1/4 inch seam allowance to all sides of both templates below.
  • Cut out templates including seam allowance.
  • To cut template B, alternate template on strip up and down aligning triangle base to strip edge and left side to previously cut edge.
  • To cut template A, fold strip in half end to end to cut mirror pieces.
  • Alternate template on strip up and down aligning triangle base to strip edge and left side to previously cut edge.
  • Triangle points will hang over strip width.

[top]Triangle Unit Instructions

Figure 2
  • Mark actual top point on center triangle pieces and base point on side triangle pieces.
  • Sew left triangle to center triangle, right sides together using a 1/4 inch seam matching marked points; press to side triangle.
  • Sew right triangle to center triangle, right sides together using a 1/4 inch seam matching marked points; press to side triangle.

Make 4 units.

[top]Starburst Instructions

Figure 3 Using 4 fabric 1 squares, 1 fabric 2 square and 4 triangle units for each block, sew using a 1/4 inch seam. Press to one side.

Makes 1 block.
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