Cwlwm Celtaidd, Celtic Knot, an ancient blend of art, craft and geometry.

The keys 1 to 6 each change a different element of the design, toggling through - usually 7 possibilites.
Depending on the design they may do nothing, but the design can be changed.
7 changes the design, toggling through 10 different layouts.
8 changes to one of 3 borders.
9 reverses the colour order.
0 resets the current design to the original values of the first 6 numbers.
If your design is looking too uniform or too repetitive, key 0
Please play, enjoy, have fun.