Lines per cm: The amount of line the machine is burning back and forth in actual one centimetre of an area.

The picture below shows the effect of setting 20-300 lines per cm.(same power and speed)

Lines per cm determines the resolution of the image to be engraved and it also affects the engraved effect. (same power and speed)

Note: When you set the same parameters of power and speed, there will be no processing effect or excessive processing results if you set the improper parameters. Different value of lines per cm will influence the engraved effect for different materials.

Material:3mm Basswood Plywood

Material:Brown Kraft Paper