MJ
Kinman

Catherine Piece Plan

There are several ways to piece together the 16 sections of the Catherine diamond. This set of instructions is just one of them. Our goal was to help you steer clear of creating any set-in seams or other piecing mishaps with this Catherine Piece Plan.

Enjoy The Process!

CLICK the link below to download a PDF of the Piece Plan.

Catherine Piece Plan

Section 1

Sew together 1-1 and 1-2 (Creating Unit 1:2)
Sew together 1-3 and 1-4 (Creating Unit 3:4)
Sew together 1-5 and 1-6 (Creating Unit 5:6)
Sew together Unit 3:4 and Unit 5:6 (Creating Unit 3:6)
Sew together 1-7 and 1-8 (Creating Unit 7:8)
Sew together Unit 7:8 and 1-9 (Creating Unit 7:9)
Sew together Unit 3:6 and Unit 7:9 (Creating Unit 3:9)
Sew together 1-10 and 1-11 (Creating Unit 10:11)
Sew together Unit 10:11 and 1-12 (Creating Unit 10:12)
Sew together 1-13 and 1-14 (Creating Unit 13:14)
Sew together Unit 10:12 and Unit 13:14 (Creating Unit 10:14)
Sew together 1-15, 1-16 and 1-17 (Creating Unit 15:17)
Sew together 1-18 and 1-19 (Creating Unit 18:19)
Sew together Unit 15:17 and Unit 18:19 (Creating Unit 15:19)
Sew together 1-20 and 1-21 (Creating Unit 20:21)
Sew together 1-22 and 1-23 (Creating Unit 22:23)
Sew together Unit 20:21 and Unit 22:23 (Creating Unit 20:23)
Sew together Unit 15:19 and Unit 20:23 (Creating Unit 15:23)
Sew together 1-24 and 1-25 (Creating Unit 24:25)
Sew together 1-26 and 1-27 (Creating Unit 26:27)
Sew together Unit 24:25 and Unit 26:27 (Creating Unit 24:27)
Sew together Unit  15:23 and Unit 24:27 (Creating Unit 15:27)
Sew together 1-28, 1-29, and 1-30 (Creating 28:30)
Sew together 1-31 and 1-32 (Creating Unit 31:32)
Sew together Unit 28:30 and Unit 31:32 (Creating Unit 28:32)
Sew together Unit 1:2, Unit 3:9, Unit 10:14, Unit 15:27, and Unit 28:32 (Completing Section 1)

Section 2

Sew together 2-1, 2-2, 2-3 and 2-4 (Creating Unit 1:4)
Sew together Unit 1:4 and 2-5 (Creating Unit 1:5)
Sew together 2-6 and 2-7 (Creating Unit 6:7)
Sew together 2-8 and 2-9 (Creating Unit 8:9)
Sew together Unit 6:7 and Unit 8:9 (Creating Unit 6:9)
Sew together 2-10 and 2-11 (Creating Unit 10:11)
Sew together 2-12, 2-13 and 2-14 (Creating Unit 12:14)
Sew together Unit 12:14 and 2-15 (Creating Unit 12:15)
Sew together Unit 10:11 and Unit 12:15 (Creating Unit 10:15)
Sew together Unit 6:9 and Unit 10:15 (Creating Unit 6:15)
Sew together 2-16 and2-17 (Creating Unit 16:17)
Sew together Unit 6:15 and Unit 16:17 (Creating Unit 6:17)
Sew together 2-18, 2-19 and 2-20 (Creating Unit 18:20)
Sew together 2-21 and 2-22 (Creating Unit 21:22)
Sew together 2-23, 2-24 and 2-25 (Creating Unit 23:25)
Sew together Unit 21:22 and Unit 23: 25 (Creating Unit 21:25)
Sew together Unit 18:20 and 21:25 (Creating Unit 18:25)
Sew together Unit 1:5, Unit 16:17 and Unit 18:25 (Completing Section 2)

Section 3

Sew together 3-1, 3-2, 3-3, and 3-4 (Creating Unit 1:4)

Sew together 3-5 and 3-6 (Creating Unit 5:6)

Sew together 3-7, 3-8 and 3-9 (Creating Unit 7:9)

Sew together 3-10, 3-11 and 3-12 (Creating Unit 10:12)

Sew together 3-13 and Unit 10:12 (Creating Unit 10:13)

Sew together Unit 5:6, Unit 7:9 and Unit 10:13 (Creating Unit 5:13)

Sew together 3-14, 3-15, 3-16 and 3-17(Creating Unit 14:17)

Sew together 3-18, 3-19 and 3-20 (Creating Unit 18:20)

Sew together Unit 1:4 to Unit 5:13 (Creating Unit 1:13)

Sew together Unit 14:17 to Unit 1:13 (Creating Unit 1: 17) Sew together Unit 1:17 and Unit 18:20 (Completing Section 3)

Section 4

This is the background fabric

This is the background fabric for the Catherine Piece Plan. No piecing required.

Putting the Upper Left Quadrant Together

Sew together Sections 2 & 3
Sew together Section 1 and Sections 2:3
Ease in Section 4 along the curve
Note: transfer the hashmarks into the seam allowances and then remove the freezer paper prior to easing Section 4 onto the gem sections.

Section 5

Sew together 5-1, 5-2 and 5-3 (Creating Unit 1:3)
Sew together 5-4, 5-5 and 5-6 (Creating Unit 4:6)
Sew together 5-7 and 5-8 (Creating Unit 7:8)
Sew together Unit 4:6 and 7:8 (Creating Unit 4:8)
Sew together Unit 4:8 and 5-9 (Creating Unit 4:9)
Sew together 5-10 and 5-11 (Creating 10:11)
Sew together Unit 4:9 and Unit 10:11 (Creating Unit 4:11)
Sew together Unit 4:11 and 5-12 (Creating Unit 4:12)
Sew together 5-13, 5-14 and 5-15 (Creating Unit 13:15)
Sew together 5-16 and 5-17 (Creating Unit 16:17)
Sew together 5-18, 5-19, and 5-20 (Creating Unit 18:20)
Sew together Unit 13:15, Unit 16:17, and Unit 18:20 (Creating Unit 13:20)
Sew together 5-21, 5-22 and 5-23 (Creating Unit 21:23)
Sew together Unit 13:20 and Unit 21:23 (Creating Unit 13:23)
Sew together Unit 5-24, 5-25 and 5-26 (Creating Unit 24:26)
Sew together Unit 1:3, Unit 4:12, Unit 13:23 and Unit 24:26 (Completing Section 5)

Section 6

Sew together 6-1, 6-2 and 6-3 (Creating Unit 1:3)
Sew together 6-4, 6-5 (Creating Unit 4:5)
Sew together Unit 1:3 and 4:5 (Creating Unit 1:5)
Sew together 6-6, 6-7 and 6-8 (Creating Unit 6:8)
Sew together 6-9 and 6-10 (Creating Unit 9:10)
Sew together Unit 6:8 and Unit 9:10 (Creating Unit 6:10)
Sew together 6-11, 6-12 and 6-13 (Creating Unit 11:13)
Sew together 6-14, 6-15 and 6-16 (Creating Unit 14:16)
Sew together 6-17 and 6-18 (Creating Unit 17:18)
Sew together Unit 17:18 and 6-19 (Creating Unit 17:19)
Sew together Unit 14:16 and Unit 17:19 (Creating Unit 14:19)
Sew together Unit 1:5, 6:10, 11:13 and 14:19 (Completing Section 6)

Section 7

Sew together 7-1, 7-2, 7-3, 7-4 and 7-5 (Creating Unit 1:5)
Sew together 7-6 and 7-7 (Creating Unit 6:7)
Sew together 7-8, 7-9, 7-10 and 7-11 (Creating Unit 8:11)
Sew together 7-12 and 7-13 (Creating Unit 12:13)
Sew together Unit 6:7 to Unit 8:11 (Creating Unit 6:11)
Sew together Unit 6:11 and Unit 12:13 (Creating Unit 6:13)
Sew together 7-14 and Unit 6:13 (Creating Unit 6:14)
Sew together 7-15, 7-16 and 7-17 (Creating Unit 15:17)
Sew together 7-18 and 7-19 (Creating Unit 18:19)
Sew together Unit 15:17, Unit 18:19 and 7-20 (Creating Unit 15:20)
Sew together 7-21, 7-22, 7-23 and 7-24 (Creating Unit 21:24)
Sew together 7-25 and 7-26 (Creating Unit 25:26)
Sew together Unit 21:24 and Unit 25:26 (Creating Unit 21:26)
Sew together Unit 1:5, Unit 6:14, Unit 15:20 and Unit 21:26 (Completing Section 7)

Section 8

This is the background fabric for the Catherine Piece Plan. No piecing required.

Putting the Upper Right Quadrant Together

Sew together Sections 6 & 7
Sew together Section 5 and Sections 6:7
Ease in Section 8 along the curve
Note: transfer the hashmarks into the seam allowances and then remove the freezer paper prior to easing Section 8 onto the gem sections.

Section 9

Sew together 9-1, 9-2 and 9-3 (Creating Unit 1:3)
Sew together Unit 1:3 and 9-4 (Creating Unit 1:4)
Sew together 9-5, 9-6, 9-7 and 9-8 (Creating Unit 5:8)
Sew together 9-9, 9-10 and 9-11 (Creating Unit 9:11)
Sew together 9-12 and 9-13 (Creating Unit 12:13)
Sew together Unit 9:11 and Unit 12:13 (Creating Unit 9:13)
Sew together 9-14 and 9-15 (Creating Unit 14:15)
Sew together Unit 9:13 and Unit 14:15 (Creating Unit 9:15)
Sew together 9-16 and 9-17 (Creating Unit 16:17)
Sew together 9-18 and 9-19 (Creating Unit 18:19)
Sew together Unit 16:17 and Unit 18:19 (Creating Unit 16:19)
Sew together Unit 16:19 and 9-20 (Creating Unit 16:20)
Sew together 9-21 and 9-22 (Creating Unit 21:22)
Sew together Unit 21:22 and 9-23 (Creating Unit 21:23)
Sew together 9-24, 9-25 and 9-26 (Creating Unit 24:26)
Sew together Unit 16:20, Unit 21:23 and Unit 24:26 (Creating Unit 16:26)
Sew together Unit 1:4, Unit 5:8, Unit 9:15 and Unit 16:26 (Creating Unit 1:26)
Sew together 9-27, 9-28 and 9-29 (Creating Unit 27:29)
Sew together 9-30 and 9-31 (Creating Unit 30:31)
Sew together Unit 30:31 and 9-32 (Creating Unit 30:32)
Sew together Unit 27:29 and Unit 30:32 (Creating Unit 27:32)
Sew together Unit 1:26 and Unit 27:32 (Completing Section 9)

Section 10

Sew together 10-1 and 10-2 (Creating Unit 1:2)
Sew together 10-3, 10-4, 10-5, 10-6 (Creating Unit 3:6)
Sew together 10-7, 10-8, 10-9, 10-10, 10-11 and 10-12 (Creating Unit 7:12)
Sew together Unit 3:6 and Unit 7:12 (Creating Unit 3:12)
Sew together 10-13, 10-14 and 10-15 (Creating Unit 13:15)
Sew together 10-16 and 10-17 (Creating Unit 16:17)
Sew together Unit 13:15 and Unit 16:17 (Creating Unit 13:17)
Sew together Unit 3:12 and Unit 13: 17 (Creating Unit 3: 17)
Sew together 10-18, 10-19,  10-20, 10-21 and 10-22 (Creating Unit 18:22)
Sew together Unit 1:2, Unit 3:17 and Unit 18:22 (Completing Section 10)

Section 11

Sew together 11-1, 11-2 and 11-3 (Creating Unit 1:3)
Sew together Unit 1:3 and 11-4 (Creating Unit 1:4)
Sew together 11-6 and 11-7 (Creating Unit 6:7)
Sew together Unit 6:7 and 11-8 (Creating Unit 6:8)
Sew together 11-9, 11-10 and 11-11 (Creating Unit 9:11)
Sew together Unit 6:8 and Unit 9:11 (Creating Unit 6:11)
Sew together 11-12 and Unit 6:11 (Creating Unit 6:12)
Sew together 11-5 and Unit 6:12 (Creating Unit 5:12)
Sew together 11-13 and 11-14 (Creating Unit 13:14)
Sew together Unit 13:14 and 11-15 (Creating Unit 13:15)
Sew together Unit 5:12 and Unit 13:15 (Creating Unit 5:15)
Sew together 11-16, 11-17 and 11-18 (Creating Unit 16:18)Sew together 11-19 and 11-20 (Creating Unit 19:20)
Sew together Unit 16:18 and Unit 19:20 (Creating Unit 16:20)
Sew together 11-21, 11-22 and 11-23 (Creating Unit 21:23)
Sew together Unit 1:4, Unit 5:15, Unit 16:20 and Unit 21:23 (Completing Section 11)

Section 12

This is the background fabric for the Catherine Piece Plan. No piecing required.

Putting the Lower Left Quadrant Together

Sew together Sections 10 & 11
Sew together Section 8 and Sections 10:11
Ease in Section 12 along the curve
Note: transfer the hashmarks into the seam allowances and then remove the freezer paper prior to easing Section 12 onto the gem sections.

Section 13

Sew together 13-1, 13-2, 13-3, 13-4 and 13-5 (Creating Unit 1:5)
Sew together 13-6 and 13-7 (Creating Unit 6:7)
Sew together 13-8, 13-9, 13-10 and 13-11 (Creating Unit 8:11)
Sew together Unit 6:7 and Unit 8:11 (Creating Unit 6:11)
Sew together 13-12, 13-13 and 13-14 (Creating Unit 12:14)
Sew together 13-15 and 13-16 (Creating Unit 15:16)
Sew together Unit 15:16 and 13-17 (Creating Unit 15:17)
Sew together Unit 15:17 and 13-18 (Creating Unit 15:18)
Sew together Unit 12:14 and Unit 15:18 (Creating Unit 12:18)
Sew together Unit 6:11 and Unit 12:18 (Creating Unit 6:18)
Sew together 13-19, 13-20 and 13-21 (Creating Unit 19:21)
Sew together Unit 19:21 and 13-22 (Creating Unit 19:22)
Sew together Unit 19:22 and 13-23 (Creating Unit 19: 23)
Sew together 13-24 and 13-25 (Creating Unit 24:25)
Sew together Unit 19:23 and Unit 24:25 (Creating Unit 19:25)
Sew together 13-26 and 13-27 (Creating Unit 26:27)
Sew together Unit 19:25 and Unit 26:27 (Creating Unit 19:27)
Sew together Unit 19:27 and 13-28 (Creating Unit 19:28)
Sew together 13-29 and 13-30 (Creating Unit 29:30)
Sew Together Unit 19:28 and Unit 29:30 (Creating Unit 19:30)
Sew together 13-31, 13-32 and 13-33 (Creating Unit 31:33)
Sew together Unit 1:5, Unit 6:18 , Unit 19:30 and  Unit 31:33 (Completing Section 13)

Section 14

Sew together 14-1 and 14-2 (Creating Unit 1:2)
Sew together 14-3, 14-4 and 14-5 (Creating Unit 3:5)
Sew together Unit 3:5 and 14-6 (Creating Unit 3:6)
Sew together Unit 1:2 and Unit 3:6 (Creating Unit 1:6)
Sew together 14-7 and 14-8 (Creating Unit 7:8)
Sew together 14-9, 14-10, 14-11, 14-12 and 14-13 (Creating Unit 9:13)
Sew together Unit 7:8 and Unit 9:13 (Creating Unit 7:13)
Sew together Unit 7:13 and 14-14 (Creating Unit 7:14)
Sew together 14-15, 14-16 and 14-17 (Creating Unit 15:17)
Sew together Unit 15:17 and 14-18 (Creating Unit 15:18)
Sew together 14-19 and 14-20 (Creating Unit 19:20)
Sew together Unit 19:20 and 14-21 (Creating Unit 19:21)
Sew together Unit 15:18 and Unit 19:21 (Creating Unit 15:21)
Sew together Unit 1:6, Unit 7:14 and Unit 15:21 (Completing Section 14)

Section 15

Sew together 15-1 and 15-2 (Creating Unit 1:2)
Sew together 15-3 and 15-4 (Creating Unit 3:4)
Sew together Unit 1:2 and Unit 3:4 (Creating Unit 1:4)
Sew together 15-5 and 15-6 (Creating Unit 5:6)
Sew together 15-7, 15-8 and 15-9 (Creating Unit 7:9)
Sew together Unit 5:6 and Unit 7:9 (Creating Unit 5:9)
Sew together 15-10 and 15-11 (Creating Unit 10:11)
Sew together Unit 10:11 and 15-12 (Creating Unit 10:12)
Sew together Unit 10:12 and 15-13 (Creating Unit 10:13)
Sew together 15-14 and 15-15 (Creating Unit 14:15)
Sew together Unit 10:13 and Unit 14:15 (Creating Unit 10:15)
Sew together 15-16, 15-17 and 15-18 (Creating Unit 16:18)
Sew together 15-19 and 15-20 (Creating Unit 19:20)
Sew together Unit 19:20 and 15-21 (Creating Unit 19:21)
Sew together Unit 16:18 and Unit 19:21 (Creating Unit 16:21)
Sew together Unit 5:9, Unit 10:15 and Unit 16:21 (Creating Unit 5:21)
Sew together 15-22, 15-23, 15-24 and 15-25 (Creating Unit 22:25)
Sew together 15-26, 15-27 and 15-28 (Creating Unit 26:28)
Sew together Unit 1:4, Unit 5:21, Unit 22:25 and Unit 26:28 ( Completing Section 15)

Section 16

This is the background fabric for the Catherine Piece Plan. No piecing required.

Putting the Lower Left Quadrant Together

Sew together Sections 14 and 15
Sew together Section 13 and Sections 14:15
Ease in Section 16 along the curve
Note: transfer the hashmarks into the seam allowances and then remove the freezer paper prior to easing Section 16 onto the gem sections.