01

The Concept

One Block Wonder quilts transform a single fabric into a kaleidoscopic arrangement. Each hexagonal block contains six identical triangles cut from the same position across six layers of fabric.

When arranged together, these hexagons create mesmerizing patterns that bear little resemblance to the original fabric. The technique reveals hidden patterns and color combinations, making every quilt unique.

60°
02

Fabric Selection

Your fabric choice determines the success of a One Block Wonder quilt. The transformation happens because of how the pattern interacts with itself in the kaleidoscopic arrangement.

A

Pattern Scale

Choose fabrics with large motifs and generous repeat sizes (12″+ ideal). The scale allows for sufficient variation between hexagons.

Effective
  • Large florals
  • Landscape prints
  • Abstract designs
Avoid
  • Small repeats
  • Tight geometrics
  • Directional prints
B

Color Variation

Look for fabrics with multiple colors (5+ hues) and significant contrast between light and dark areas. This creates dramatic kaleidoscopic effects.

Effective
  • Multicolor prints
  • High contrast designs
  • Color gradients
Avoid
  • Monochromatic fabrics
  • Low contrast prints
  • Very dark fabrics
C

Visual Texture

Fabrics with varied elements create more interesting hexagons. Look for designs with distinct shapes, varying sizes, and organic flow.

Effective
  • Botanical prints
  • Watercolor effects
  • Painterly designs
Avoid
  • Regular, repeating patterns
  • Stripes and checks
  • Text-heavy designs
03

Using the Calculator

Our calculator helps you preview the transformation before cutting any fabric, allowing for experimentation with various starting points and arrangements.

1

Upload Fabric Image

Upload a clear, high-resolution image of your fabric. The image should show at least one complete pattern repeat for accurate visualization.

2

Set Measurements

Enter the physical width of your fabric (typically 42-44″ for quilting cotton). Then select your triangle size.

Triangle sizes typically range from 3¾” to 5″ per side. Smaller triangles create more detailed hexagons but require more cutting and piecing. Larger triangles create bolder patterns with less detail.

3

Select Starting Point

Click directly on your fabric image to set where cutting will begin. This position dramatically affects the resulting hexagons.

Experiment with different starting points. Even a small shift can create entirely different hexagon patterns. Target interesting motifs or colors for more dramatic effects.

4

Generate & Arrange

After generating hexagons, explore different arrangements:

  • Honeycomb — Traditional interlocking hexagon layout
  • Color Sorting — Group similar colors for gradient effects
  • Custom — Drag individual hexagons to create your own design

Double-click any hexagon to rotate its pattern and explore different orientations.

04

Construction Technique

Materials Required

Main Fabric
6 yards
Purchase as one continuous piece to ensure pattern alignment
60° Triangle Ruler
1
Specifically designed for equilateral triangles
Design Surface
1
Design wall, large table, or portable design board

Essential Techniques

Stack Alignment
Stack all six fabric layers with pattern repeats precisely aligned. Secure with pins placed in inconspicuous areas before cutting.
Triangle Cutting
Cut strips first, then cut triangles from strips. Maintain consistent orientation throughout cutting process.
Organization
Keep triangles from the same position grouped together. Number your stacks or use a design board with numbered sections.
Precise Piecing
Pin triangles at vertices and use consistent ¼” seam allowance. Press all seams in the same direction to allow for nested seams.
Edge Finishing
For straight edges, add half-hexagons around the perimeter using coordinating solid fabric or the original print.