“3 by” Celtic Borders

(Originally published July 2, 2012. Edited.)

This is the first in a series of blog posts exploring simple Celtic knot borders. “3 by” refers to the fact that these knots are three sections wide, and an increasing number of sections long.

Each example will display a line drawing of the border, and a colored version. The colored version features three basic shapes (corners with tails, curves, and flattened “S” curves) with a bit of space added, and the colors illustrate how many strands are in each knot.

3 by 3 border: four tailed corners, four curves; two colors.

3 by 3 border
3 by 3 border

This arrangement of shapes produces two interwoven Celtic knots: one knot contains the four corners, and the other knot is interwoven with the first.

3 by 4 border:  four tailed corners, four curves, two “S” curves; two colors.

3 by 4 border
3 by 4 border

This arrangement of shapes produces two interwoven Celtic knots: both knots contain two adjacent corners. One Celtic knot points up and the other points down.

3 by 5 border:  four tailed corners, four curves, four “S” curves; two colors.

3 by 5 border
3 by 5 border

This arrangement of shapes produces two interwoven Celtic knots similar to the 3 by 3 border: one knot contains the four corners, and the other knot is interwoven with the first.

3 by 6 border:  four tailed corners, four curves, six “S” curves; two colors.

3 by 6 border
3 by 6 border

This arrangement of shapes produces two interwoven Celtic knots similar to the 3 by 4 border: both knots contain two adjacent corners. One Celtic knot points up and the other points down.

Let’s make several general rules from these observations:

  • When both width and length are odd-numbered, they produce one Celtic knot containing the four corners, and another knot, interwoven with the first.
  • When one dimension is odd-numbered and the other dimension is even-numbered, they produce two mirror-image knots containing two adjacent corners, interwoven together.

Do you agree? Please leave a comment.

9 thoughts on ““3 by” Celtic Borders

    1. Thanks, Barbara . . . what I have in mind are several different series: bands, borders, boxes, crosses, and circles (all with, and without breaks).

      It should keep me busy for awhile.

    1. Thank you, Leona . . . your set of templates are going out in today’s mail.

      I’d love to see what you come up with!!

    1. I currently don’t have any of the new templates on hand to measure . . . can I get back to you on that??

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