It uses parallax mapping to create the illusion of depth on a flat plane, making details look 3D.

DECALmachine is a widely used Blender add-on for high-speed hard-surface detailing, though the specific file you mentioned is associated with a third-party distribution site.

The file name you provided ( DECALmachine261 vfxmed.com..zip ) originates from , a site known for distributing pirated or "cracked" versions of paid software and add-ons.

To ensure your workstation remains secure and to support the creator, it is recommended to obtain the add-on from the official MACHIN3.io website or verified marketplaces. DECALmachine - Superhive (formerly Blender Market)