Here you can download a Celtic knot border vector pattern, which is rectangular in shape and composed of one celtic knot design.
Using Inkscape free vector software, this knot border design has been drawn by repeatedly arranging a simple Celtic design element in a rectangle. Similarly, a rectangular frame border of any size can be drawn. Just import the design element into 2D CAD or vector software, draw a rectangle of any dimensions, scale the design element to the desired dimensions and arrange it in the rectangle you have drawn. If, for some reason, this Celtic knot design that we have drawn here does not please your eye, draw your own in any software mentioned and arrange it in any shape. In this way, you will get your original Celtic frame border.