Offline edition
Frigella
Create knitting colourwork charts and printable PDFs.
You are planning stranded colourwork (for example Fair Isle or Nordic patterns) and want a clean, printable chart with stitch counts.
$12 USD · one-time purchase
Continue to checkoutStep-by-step guide
No subscription. Final total and tax appear at checkout.

What it helps you do
Draw a colourwork chart cell by cell, choose colours, repeat a motif and export a chart with a colour legend as PDF.
What is in your download
- The described tool, packaged for local use.
- Installation and first-result instructions.
- A worked example and the included license notices.
A practical example
Print the Chevron repeat sample
Start with
No file needed: the built-in sample Chevron repeat (raport practice). A saved copy to try with Open... is in examples/frigella/chevron-repeat.frigella.json.
Get this result
The status reads “Loaded the "Chevron repeat" sample.” and the chart is 20 sts x 12 rows. Your browser downloads chevron-repeat.pdf. Page 1 is the chart with row and stitch numbers and page 2 is the legend (20 stitches x 12 rows, 2 colours). The saved chevron-repeat.frigella.json opens again with Open....
Download guide & practice files (ZIP)
Examples use fictional or synthetic data. Follow this example step by step.
How it works
Open the downloaded local edition
Buy and extract the Frigella ZIP, then open its Frigella folder. Install Node.js 20.12 or newer. In this extracted folder run: node start.mjs
Open http://127.0.0.1:8787/ in desktop Google Chrome. Keep the terminal open; Ctrl+C stops it. The same workflow can be explored in the online browser preview.Open Frigella
In your open local copy, follow the controls described below. The toolbar holds the drawing tools, Export PDF..., New, Open..., Save, Save as..., the Load a sample chart... list, Undo, Redo and zoom.
Start a chart
Choose a sample in Load a sample chart... (Nordic star band (flat), Snowflake yoke (in the round) or Chevron repeat (raport practice)), or click New. Under Chart size set Width (stitches) and Height (rows), from 1 to 200, and click Apply size.
Before you buy
- Desktop Google Chrome or another Chromium-based browser. The tool was checked in desktop Chrome; other browsers are not verified.
- No files are needed to start: three sample charts are built in.
- Install Node.js 20.12 or newer. In this extracted folder run: node start.mjs
Open http://127.0.0.1:8787/ in desktop Google Chrome. Keep the terminal open; Ctrl+C stops it.
Compatibility & limits
Charts up to 200 by 200 stitches. This is a chart editor, not a gauge or garment-fit calculator.
Try it first
Try the same core workflow in the browser. The purchase gives you a downloadable local copy with installation instructions and examples; no paid-only features are claimed.
Open the previewGet Frigella
Perpetual use of the purchased version on your devices for personal or internal commercial work. Keep reasonable backups and modify your own copy; do not redistribute or resell original proprietary code. Third-party licenses and any existing preview permissions retain their rights.
Before payment, save the private recovery code shown by checkout. After Paddle confirms payment, use it to download your ZIP or return for it later. No subscription, future update or email delivery is promised. See the illustrated steps.
$12 USD · once
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