Traditional pattern, pre-1800s, public domain
A stunning circular design with radiating points resembling a navigational compass rose. This demanding block requires precise paper piecing to achieve its sharp points and perfect symmetry, traditionally featuring 16 or 32 points radiating from a central circle.
Originating in the late 1700s to early 1800s, the Mariner's Compass block draws its inspiration from the compass roses found on nautical charts and maps. It was especially popular in coastal New England communities where seafaring was a way of life.
Quilts featuring this block were sometimes made by sailors' wives as tokens of safe passage. The block symbolized guidance, direction, and hope for a safe return. It became a hallmark of masterful quilting skill due to its complexity.
Also known as: Compass Rose, Sunburst, Chips and Whetstones, Rising Sun
finished Block Size
18 inches
seam Allowance
1/4 inch
grid Basis
Circular/radial — 16-point division on 360 degrees
units Required
16 outer points, 16 inner points, 1 center circle, 4 background quadrants
All measurements include 1/4" seam allowance unless noted.
| Piece | Fabric | Cut Size | Qty | Notes |
|---|---|---|---|---|
| Large outer point | Navy | 3" x 6" | 8 | Cut oversized for paper piecing |
| Small outer point | Gold | 2.5" x 5" | 8 | Cut oversized for paper piecing |
| Large inner point | Gold | 2.5" x 4.5" | 8 | Cut oversized for paper piecing |
| Small inner point | Navy | 2" x 4" | 8 | Cut oversized for paper piecing |
| Center circle | Gold | 3.5" diameter | 1 | Add 1/4" seam allowance around template |
| Background quadrant | Cream | 10" x 10" | 4 | Cut oversized, trim after piecing |
Print 16 identical paper-piecing foundation wedge sections on lightweight foundation paper. Each wedge represents 22.5 degrees of the full compass. Verify printed size matches the 18-inch finished block.
Tip: Use a shorter stitch length (1.5mm) for paper piecing to make paper removal easier.
Working with one wedge foundation at a time, piece the inner point, outer point, and background fabrics in order. Press each seam before adding the next fabric. Trim seam allowances to 1/4 inch using the Add-A-Quarter ruler.
Tip: Place fabrics with the right side against the unprinted side of the paper, sewing from the printed side.
Sew four consecutive wedges together to form one quadrant, matching all seam intersections precisely. Press seams open to reduce bulk. Repeat to make four identical quadrants.
Tip: Pin at every seam intersection and sew slowly across the joins for accuracy.
Join two quadrants to form each half of the compass, then sew the two halves together, carefully matching the center point. Press seams open.
Tip: Use a stiletto to guide fabric through the machine at the center intersection.
Prepare the center circle using a freezer paper template and starch method. Appliqué the circle over the center intersection using a blind hem stitch or needle-turn appliqué.
Tip: Spray starch the seam allowance over the freezer paper template for a crisp, round edge.
Carefully remove all paper foundations. Press the completed block and square it to 18.5" x 18.5" (including seam allowances). Ensure the compass is centered within the block.
See how this traditional pattern looks in different color combinations.
Single block medallion quilt with concentric borders
Four-block arrangement with sashing for a wall hanging
Alternating with plain blocks for a bed quilt