What is the dot size of the laser? Jannie Zhang March 28, 2019 06:49 Updated The minimum diameter of the engraving dot is 0.2 mm. Please refer to the specification page for more details about the laser module: https://snapmaker.com/spec. Related articles Does it require a ventilation system to vent the fume during the laser engraving? CNC Carving 3D Printing What should I do if the laser cannot burn the material though I can see the laser beam? What is the safety class of the 200mW laser? Comments 0 comments Please sign in to leave a comment.