Draw a Celtic Knot in LightBurn

How to draw a Celtic Knot using LightBurn.
LightBurn:
If you are interested in the LightBurn software, you can try it out FREE for 30 days. Just go to their website and download the full version and it will work for 30 days. lightburnsoftw.... LightBurn is not a sponsor in any way with CNC @ Home. I provide this information to help you if you are interested in the software. This is what I use to drive my laser and I know other makes who use it for their laser.