3D/solid modeling Tools
Ability to modify 3D primitives (parametric editing tools, free-form editing tools, symmetrical editing process, etc.)
Ease of use accessing rendering tools (lighting tools, texture mapping, custom material creation, etc.)
Ease of use accessing basic drawing tools (line, circle, polygons, etc.)
Ease of use accessing basic editing tools (erase, trim, extend, undo, etc.)
Text Editing Tools
Ease of use accessing basic text creation and modification tools (font style, multi-line text, wrap-around text, justification, spell checker, etc.)
Support for a number of file formats for import
Support for a number of file formats for export
Native file format is compatible with a number of advanced design and imaging applications
Current file format iteration is compatible with previous versions of the application
Support for a range of file sizes without degrading the user experience.
Ability to create custom commands or command aliases, change the active customization file, and configure command properties.
Ability to customize the user interface and recall customizations. Can define the workspace a custom panel should appear in.
Ability to create custom scripts to automate tasks, such as add standard layers or styles to a drawing, update the title block, or automate plotting tasks.
Ability to create custom menus, sub-menus, and contextual menus. Can create new toolbars and arrange menus in workspeace.
Support by a sufficient number of hardware developers (by default or through the use of custom drivers).
Support for custom interfaces designed around specific design tasks, by default (out of the box) or through user customization.
Manage Multiple Profiles
Support for multiple user interface customizations. Can store and recall interfaces as required by a specific user without closing the application and without the need for scripting knowledge.
Names of basic commands are clear and easy to understand. On-cursor documentation, such as tool tips and pop-up descriptions, provide clarification of icons and other user interface elements.