PatternMakr
Launching September 25th, 2026

Something Beautiful is Being Pieced Together

PatternMakr is an all-in-one digital studio for modern quilters. From interactive pattern design to quick fabric math and a community block library, we're building your cozy new home for piecing and quilting.

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Interactive Pattern Studio

Custom quilt block designer with real-time colorway switching & grid sizing.

Coming Sept 25

Quilt Math Suite

Instant precision math for yardage, HST trimming, bias binding & precut fabrics.

Coming Sept 25

Quilt Block Library

Curated collection of traditional & modern blocks with piecing diagrams.

Coming Sept 25

Quilt Radio & BOM

Ambient sewing music channels, daily block challenges & community showcases.

Coming Sept 25
Handcrafted withfor the quilting community.
Launching September 25, 2026

PatternMakr

Handmade Patterns & Guides

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BeginnerFour-Patch Family

3×3 Quilt Top Repeater

Click any block to rotate it 90° and explore custom layouts.

Pinwheel

Four rotating half-square triangles creating dynamic spinning motion

Recolor Fabric Slots

Preset Palettes:

Block Anatomy & Specs

Grid Layout2x2
Standard Sizes6", 8", 10", 12"
Seams & Techniques:
Half-Square Triangles (HST)Pin-Spin Seams
Foundational Units Used:
Half-Square Triangle

History & Origins of the Pinwheel Block

A lively American classic dating to the early 19th century. Built from 4 Half-Square Triangles rotated in sequence around a central point, the Pinwheel creates an optical illusion of spinning blades across a quilt top.

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 2 squares 7" Fabric A and 2 squares 7" Fabric B (makes 4 HSTs trimmed to 6.5").
6" Finished BlockCut 2 squares 4" Fabric A and 2 squares 4" Fabric B (makes 4 HSTs trimmed to 3.5").

All measurements include a standard ¼" seam allowance. Finished block size: 12".

Step-by-Step Visual Assembly

1

Piece 4 identical HST units trimmed to 6.5" square.

2

Rotate HST units in sequence so the blade triangles point in a continuous rotational direction.

3

Sew the top 2 HSTs into the top row, and the bottom 2 HSTs into the bottom row.

4

Join the two rows at the center seam and 'twirl' or spin the center seam allowance to press completely flat.

Related Quilt Blocks

Four Patch

Beginner

Half-Square Triangle

Beginner

Sawtooth Star

Intermediate