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BeginnerSixteen-Patch & Variations
3×3 Quilt Top Repeater
Click any block to rotate it 90° and explore custom layouts.
Rail Fence
Great for using up fabric strips
Recolor Fabric Slots
Preset Palettes:
Block Anatomy & Specs
Grid Layout4x4
Standard Sizes6", 8", 10", 12"
Seams & Techniques:
Strip PiecingStraight Seams
Foundational Units Used:
History & Origins of the Rail Fence Block
Made from parallel strips of fabric sewn into a square, Rail Fence is prized for using up long strips of scrap fabric and creates bold zigzags when blocks are rotated and joined edge to edge.
Cutting & Piecing Guide (12" Finished Block)
Precise unit cut sizes and step-by-step piecing instructions.
Choose a finished block size
The cut measurements below update to match.
Piece Cut List
12" Finished BlockCut 4 fabric strips 3.5" x 12.5" alternating light and dark.
All measurements include a standard ¼" seam allowance. Finished block size: 12".
Step-by-Step Visual Assembly
1
Sew 4 parallel fabric strips together along long edges.
2
Press seams in one direction.
3
Trim sides square to 12.5".
4
Rotate adjacent blocks 90 degrees when joining into a quilt top.