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Celtic Knotwork Borders in Repeating Sections is a collection of original Celtic knotwork border designs presented in a way that's meant to allow artists the freedom to create knotwork borders in virtually any size, and practically any shape, that they want.
The book uses a modular system in which a border design is reduced to either two or five straight sections, plus a variety of arc sections with different numbers of repeats around a full circle.
These sections are meant to be rotated as needed to form square, rectangular, or circular borders to use in your work.
At left you can see a series of straight sections - and at the right, a simple diagram shows one of the many ways in which those parts can be combined.
Half of the designs also feature "inner border" variations. These are designed to branch inward from the main borders with T sections, and the inner borders can cross in the middle of the border with the provided crosspieces.
The book's approach is based on the author's experience of more than 25 years, and it's intended to teach you to think about repeating patterns in a way that'll improve your own work - the idea is that the mechanical task of laying out a border should be streamlined, leaving you free to concentrate on the much more creative work of painting, carving, or dyeing it.
The text includes ideas on how to scale the patterns - they're printed here in many sizes, but it's inevitable that you'll want more - and that and other information is given for both digital and traditional artists. And because it's wire-bound the book will lie flat for copying, tracing or scanning.
When you buy the book, the designs are free for unlimited use within your own projects, both private and commercial. The only restriction on these rights is that you may not reproduce the pattern parts themselves, outside of your original art, for redistribution.
That is, you can use the designs in any way you like for your own work. You're completely free to sell that work, or reproductions of that work. You just aren't allowed to make a clip art collection out of them, or otherwise reproduce the pattern sections alone in a form that others can use.