PartDesign CoordinateSystem
|
Menu location |
---|
Part Design → Create a local coordinate system |
Workbenches |
PartDesign |
Default shortcut |
None |
Introduced in version |
0.18 |
See also |
PartDesign Point, PartDesign Line, PartDesign Plane |
Description
Creates a local coordinate system which can be used as reference for other datum geometry. It also helps identify the orientation of the referenced datum geometry in 3D space.

Local coordinate system originating out of a datum plane's origin.
Usage
- Press the
Create a local coordinate system button.
- Define Coordinate System parameters. Select a first reference in the 3D view to filter the available attachment modes.
- Depending on the selected reference, there may be one or more attachment modes available in the the list. The most likely one will automatically be selected and shown in bold in the list. The text Attached with mode along with the attachment mode name will appear in green at the top of the Parameters panel.
- To add an additional reference, press the next Reference button. Once pressed its label changes to Selecting... until a selection is made.
- Select an attachment mode in the list.
- Define Attachment Offset values.
- Press OK.
Options
Double-click the Local_CS label in the Model tree or right-click and select Edit datum in the contextual menu to edit its parameters. For more details about Attachment mode and Attachment offset, see Attachment.
Preferences
See PartDesign Plane.
Properties
Data
- DataMapMode: lists the attachment mode used.
- DataAttachment Reversed: indicates if the coordinate system is reversed in orientation.
- DataAttachment Offset: applies a transformation (translation and rotation) in reference to the attachment placement.
- DataPlacement: indicates the coordinates and alignment of the coordinates system´s origin .
- DataLabel: name given to the object, this name can be changed at convenience.
Scripting
lcs = App.activeDocument().addObject( 'PartDesign::CoordinateSystem', 'LCS' )
- Structure tools: Part, Group
- Helper tools: Create body, Create sketch, Attach sketch, Edit sketch, Validate sketch, Check geometry, Create a shape binder, Create a sub-object(s) shape binder, Create a clone, Create a datum plane, Create a datum line, Create a datum point, Create a local coordinate system
- Modeling tools:
- Additive tools: Pad, Revolution, Additive loft, Additive pipe, Additive helix, Additive box, Additive cylinder, Additive sphere, Additive cone, Additive ellipsoid, Additive torus, Additive prism, Additive wedge
- Subtractive tools: Pocket, Hole, Groove, Subtractive loft, Subtractive pipe, Subtractive helix, Subtractive box, Subtractive cylinder, Subtractive sphere, Subtractive cone, Subtractive ellipsoid, Subtractive torus, Subtractive prism, Subtractive wedge
- Boolean: Boolean operation
- Dress-up tools: Fillet, Chamfer, Draft, Thickness
- Transformation tools: Mirrored, Linear Pattern, Polar Pattern, Create MultiTransform, Scaled
- Extras: Sprocket, Involute gear, Shaft design wizard
- Context menu: Set tip, Move object to other body, Move object after other object, Appearance, Color per face
- Preferences: Preferences, Fine tuning

- 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
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- Hubs: User hub, Power users hub, Developer hub