In the workflow
Why Material test matters
A useful test changes one or two labeled variables while keeping the source file, focus method, and surface preparation fixed.
Practical check
How to evaluate it
Label every sample and change only one or two variables at a time. Keep the source file, focus method, surface preparation, and inspection conditions consistent.
Go deeper
Laser Engraving DPI and Line Interval Explained
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