Celtic knots

Build an interlaced knot on a grid. Breaks turn a plain plait into a knot, and every strand closes on itself, going over and under in turn.

Random, mirrored

Your colors, with a ribbon outline.

Grid
Breaks

The same seed always gives the same breaks. Your browser remembers your last seed.

Ribbon

As a percent of half a grid cell.

Colors
More palettes
Output

About these knots. Each design is generated here from your settings. They aren't copies of historic pieces, and the name only describes the style.