@mlightcad/cad-simple-viewer

This package provides the **high-performance** core components of a CAD viewer such as document management, command handling, and collaboration between the UI and rendering engines. It's designed for optimal performance when handling large CAD files.

@mlightcad/data-model

The data-model package provides the core classes for interacting with AutoCAD's database and entities. This package mimics AutoCAD ObjectARX's AcDb (Database) classes and implements the drawing database structure that AutoCAD developers are familiar with.