Multiply the number of medals as many times as you need.
Create the design of the front side of the medal.
Engrave the front side of the medal including the cutting-lines.
Carefully turn the medals over, without moving the plywood sheet
Create the design for the back side in xTool Projects, in exactly the same place as the front, but put the layers from the front off for processing, so that these cannot be re-cut or engraved.
I imported a photo and chose the sketch filter to turn it into a line drawing
engrave the design on the back of the medal