App Link
Jump to navigation
Jump to search
Std Base
Document objects
User documentation
Introduction
An App Link, or formally an App::Link
, is a type of object that references or links to another object, in the same document, or in another document. It is especially designed to efficiently duplicate a single object multiple times, which helps with the creation of complex assemblies from smaller subassemblies, and from multiple reusable components like screws, nuts, and similar fasteners.
Simplified diagram of the relationships between the core objects in FreeCAD
Usage
See Std LinkMake.
Properties
See Std LinkMake.
- File: New, Open, Close, Close All, Save, Save As, Save a Copy, Save All, Revert, Import, Export,Merge project, Project information, Print, Print preview, Export PDF, Recent files, Exit
- Edit: Undo, Redo, Cut, Copy, Paste, Duplicate selection, Refresh, Box selection, Box element selection, Select All, Delete, Send to Python Console, Placement, Transform, Alignment, Toggle Edit mode, Edit mode, Preferences
- View:
- Miscellaneous: Create new view, Orthographic view, Perspective view, Fullscreen, Bounding box, Toggle axis cross, Clipping plane, Texture mapping, Toggle navigation/Edit mode, Appearance, Random color, Workbench, Status bar
- Standard views: Fit all, Fit selection, Isometric, Dimetric, Trimetric, Home, Front, Top, Right, Rear, Bottom, Left, Rotate Left, Rotate Right
- Freeze display: Save views, Load views, Freeze view, Clear views
- Draw style: As is, Points, Wireframe, Hidden line, No shading, Shaded, Flat lines
- Stereo: Stereo red/cyan, Stereo quad buffer, Stereo Interleaved Rows, Stereo Interleaved Columns, Stereo Off, Issue camera position
- Zoom: Zoom In, Zoom Out, Box zoom
- Document window: Docked, Undocked, Fullscreen
- Visibility: Toggle visibility, Show selection, Hide selection, Select visible objects, Toggle all objects, Show all objects, Hide all objects, Toggle selectability, Toggle measurement, Clear measurement
- Toolbars: File, Workbench, Macro, View, Structure
- Panels: Report view, Tree view, Property view, Selection view, Combo view, Python console, DAG view
- Tree view actions: Sync view, Sync selection, Sync placement, Pre-selection, Record selection, Single document, Multi document, Collapse/Expand, Initiate dragging, Go to selection
- Tools: Edit parameters, Save picture, Scene inspector, Dependency graph, Project utility, Measure distance, Add text document, View turntable, Units calculator, Customize, Addon manager
- Macro: Macro recording, Stop macro recording, Macros, Recent macros, Execute macro, Attach to remote debugger, Debug macro, Stop debugging, Step over, Step into, Toggle breakpoint
- Help: Help, FreeCAD Website, Donate, Users documentation, Python scripting documentation, Automatic Python modules documentation, FreeCAD Forum, FreeCAD FAQ, Report a bug, About FreeCAD, What's This
- Structure and Link: Std Part, Std Group, Make link, Make sub-link, Replace with link, Unlink, Import links, Import all links, Go to linked object, Go to deepest linked object, Select all links
- Core: App DocumentObject
- Basic: App FeaturePython, App GeoFeature, Part Feature, Mesh Feature, Fem FemMeshObject
- Internal shapes: Part TopoShape, Mesh MeshObject, Fem FemMesh
- Structure: App DocumentObjectGroup (Std Group), App Part (Std Part), App Link (Std LinkMake)
- Derived: Part Part2DObject, Sketcher SketchObject, PartDesign Body, PartDesign Feature

- Getting started
- Installation: Download, Windows, Linux, Mac, Additional components, Docker, AppImage, Ubuntu Snap
- Basics: About FreeCAD, Interface, Mouse navigation, Selection methods, Object name, Preferences, Workbenches, Document structure, Properties, Help FreeCAD, Donate
- Help: Tutorials, Video tutorials
- Workbenches: Std Base, Arch, Draft, FEM, Image, Inspection, Mesh, OpenSCAD, Part, PartDesign, Path, Points, Raytracing, Reverse Engineering, Sketcher, Spreadsheet, Start, Surface, TechDraw, Test Framework, Web
- Deprecated or unmaintained workbenches: Complete, Drawing, Robot
- Hubs: User hub, Power users hub, Developer hub