Test Grid Generator

Builds material test cards (.emx) for Lenmark 3DS. Every square gets its own pen and settings automatically. Runs entirely in your browser; nothing is uploaded.

Changelog

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Card preview

Click a swatch to see its settings or save them as a Lenmark material preset.

Use at your own risk

This is free, community-made software provided as is, with no warranty of any kind. It only writes the numbers you enter into a file. It doesn't know your laser, lens, galvo head, material or setup, it doesn't check whether settings are safe or within your machine's limits, and it can't stop you from entering settings your machine shouldn't run.

You are responsible for everything you mark. Check every pen's settings, Preview and focal height in Lenmark 3DS before marking, and only run settings within your machine's and manufacturer's limits. The creators and contributors aren't liable for any damage or loss from using this tool or the files it produces. That includes damage to your laser source, galvo, lens or other hardware, materials or property, fire, injury, lost time or lost income.

Built-in values are starting points, not recommendations; they were tested on one specific machine. The .emx format was reverse-engineered and isn't supported by Lenmark or FEELTEK. Follow laser safety practice: eye protection, fume extraction, fire safety, and never leave the machine unattended. Test new cards on scrap. If you don't accept these terms, don't use this tool.