Since the working area F1 does not allow cutting all the parts at once, we will do it in stages.
The sketches are placed on the field and next to it as I did. You can ungroup them and arrange them as it suits you.
First, we need to cut out the parts for the box for the coasters.
Then, we set up the engraving and cutting for the coasters themselves (the working area can fit 3 sketches at a time).
While working on the coasters, we assemble the box and glue the joints with any wood glue for added strength.

After all the parts are cut and engraved, we need to sand the edges of the coasters with sandpaper or a coarse cloth to remove any soot from the surface.