Summary

https://www.instructables.com/id/Easy-Pyrography-Ornaments/?utm_source=newsletter&utm_medium=email
shows an easy pyrographic method to make ornaments.
In this thing we do the same with an engraving laser diode.
Cut a piece of wood and draw something funny with a pencil.
Adjust the focusing distance until smoke is generated and follow your drawing with the laser spot.
https://youtu.be/2hA7MhaB_uk
Color with pencil or water paint.
Take care, lasers can cause severe damage. Keep the kids away and only fire the laser when it is in a stable position. Remove rings, watch and other reflecting objects.