Machine and output

Dot width correction

A compensation that shortens engraved scan segments to account for the physical width of the laser mark.

By EngravePrep Editorial Team

In the workflow

Why Dot width correction matters

It belongs to machine calibration. The useful value depends on the spot and material response, not only the image file.

Practical check

How to evaluate it

Calibrate against the actual spot and material response. Keep the image fixed while changing correction values so the effect is not confused with tone or dither changes.

Go deeper

Learn the DPI and line interval relationship, calculate output pixels, avoid overlapping scan lines, and preserve exact size in a photo workflow.

Read the complete guide

Prepare the pixels

Use the terminology in a real photo workflow.

Crop, tune, size, dither, and export a one-bit PNG on iPhone or iPad. Test the result on scrap with your machine and material guidance.

Download EngravePrep