Redknot

Get in touch

Email support@khangazun.com. The link opens a message with a quick checklist: please include what happened, what you expected, whether you use Mac or Android, the Redknot version, and the layout and panel size of the design.

Common questions

What is the strand count?

A knot is made of one or more closed ribbons, and each one is a strand. The count at the top of the window shows how many separate strands your design has, and it updates with every change. A plain panel with no walls has as many strands as the greatest common divisor of its width and height (an 8 × 6 panel has 2). Each wall you add can split a strand in two or join two strands into one.

What do the walls do?

Each crossing can stay a crossing, or become a vertical or a horizontal wall that bends the strands back instead of letting them pass through. Click or tap a crossing to cycle through the three. Walls reshape the knot, and are the way to join strands or split them apart.

What does Join Strands do?

Join Strands changes walls for you, one step at a time, until the knot has as few strands as it can, often one continuous line. With symmetry on, a change is made in every mirrored place at once, so it may stop at more than one strand. You can always undo it by changing walls yourself. Join Strands needs Redknot Unlock.

What are stencil bridges?

When you cut a knot out of vinyl or sheet material, the islands between the ribbons would fall out. In Export, the Stencil switch adds small bridges so that every island is held, and you choose the bridge width. The status line says how many floating islands are left (none, when it is safe to cut). Stencils need Redknot Unlock.

How do I print at true size?

In Export choose PDF, pick A4 or Letter, and save it. Open the file in your PDF viewer and print at 100 % or “Actual size”, not “Fit to page”. A design bigger than the paper is tiled across several sheets with registration crosses, and a mirrored option is there for transfer. Each sheet carries a label, so you can check the size with a ruler. True-size PDF needs Redknot Unlock.

What is the hand-drawing guide?

The guide takes a design step by step, from the dot grid through the walls, the diagonal strands and the weave to the finished ribbons, so you can draw it by hand. It is made for carvers, calligraphers and tattoo artists. Open it from the Guide button and save it as a PDF. The guide pages need Redknot Unlock.

What is included in the free version, and what does Redknot Unlock add?

Free: panels up to 12 × 12, walls and shape cells, the live strand count, every ribbon style, PNG export, the knot card and trace video, and three saved designs. Redknot Unlock is a single purchase (USD 9.99, or your local price) and adds panels up to 40 × 40, rings, borders and monograms, symmetry and Join Strands, every SVG kind, true-size PDF, stencils, the hand-drawing guide pages, the maker, monogram and transfer sheets, and unlimited designs. There is no subscription.

How do I restore my purchase on Mac?

Open Settings (⌘,) ▸ Redknot Unlock, or click any padlocked item, and choose Restore Purchase while signed in with the Apple Account that made the purchase.

How do I restore my purchase on Android?

Open Settings ▸ Redknot Unlock, or tap any padlocked item, and choose Restore Purchase while signed in to the Google account that made the purchase in Google Play.

Do my designs sync between devices?

No. Redknot keeps your designs on the device, in the app’s own library. Export a design and send the file yourself to move it. There is no account and no network access.

Something looks wrong with a design.

Please email us what you did, the layout and size of the design, and a screenshot if you can. The Email the developer button in Settings ▸ About starts a message that includes the app version and never your designs.