The ornament has been precisely drawn in 2D CAD software and then exported to vector software. Such ornaments are better to draw in 2D CAD software because they are far more accurate than vector and adjusted to drawing geometric shapes rather than artistic designs. If you take a look at this Islamic ornament, you will see that it consists of regular geometric shapes drawn with lines, circles and curves. Ornaments like this are much closer to geometric drawing than to artistic drawing.
Hopefully, we share the same taste for ornaments as you do, because then you will be able to apply this beautiful Arab ornament quite soon!
Islamic ornament is fully editable, just download it bellow, open the file in vector or 2D CAD software and customize.