Quilt block diagram

Economy quilt block

A centered square is framed twice on point, creating a compact diamond-within-a-square composition.

Block structure

How the geometry is organized

Three visual layers: a central square, a diamond frame, and four outer corners.

  1. 1Center the feature square.
  2. 2Add the first set of triangles evenly around all four sides.
  3. 3Square the unit, then add the outer corner triangles.
Repeat this block

Finished-size planning

Basic unit sizes

These values divide the finished block evenly for drawing and layout. They do not include seam allowance or method-specific trimming.

6 in block1.50 in unit
8 in block2 in unit
9 in block2.25 in unit
10 in block2.50 in unit
12 in block3 in unit