PartDesign Pad: Difference between revisions
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{{Docnav |
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{{GuiCommand|Name=PartDesign Pad|Workbenches=[[PartDesign Workbench|PartDesign]], Complete|MenuLocation=PartDesign → Pad}} |
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|[[PartDesign_Clone|Create a clone]] |
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|[[PartDesign_Revolution|Revolution]] |
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|[[PartDesign_Workbench|PartDesign]] |
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|IconL=PartDesign_Clone.svg |
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|IconR=PartDesign_Revolution.svg |
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|IconC=Workbench_PartDesign.svg |
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}} |
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<!--T:23--> |
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{{GuiCommand |
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'Pad a selected sketch' - This tool takes a selected sketch as its input (the 'defining sketch'), and produces with it a 'pad'. |
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|Name=PartDesign Pad |
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A pad is essentially an extrusion of a sketch. For example, if a sketch were made of two concentric circles, and the pad tool were subsequently used on this sketch, the result would be a cylinder: |
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|MenuLocation=Part Design → Pad |
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[[Image:Pad_cylinder.png|left]] |
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|Workbenches=[[PartDesign_Workbench|PartDesign]] |
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{{clear}} |
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|Shortcut= |
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|Version= |
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==Options== |
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|SeeAlso= |
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When creating a pad, the 'pad parameters' dialogue offers five different ways of specifying the length to which the pad will be extruded |
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}} |
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==Description== <!--T:24--> |
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[[Image:pad_parameters_cropped.png|left]] |
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<!--T:41--> |
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The {{Button|[[Image:PartDesign_Pad.svg|16px]] [[PartDesign Pad|PartDesign Pad]]}} tool extrudes a sketch into a solid in a direction normal to the sketch plane. As of {{VersionPlus|0.17}} faces on the solid can also be used. |
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Enter a numeric value for the length of the pad. The default direction for extrusion is away (outside of) the support, but it can be changed by ticking the '''Reversed''' option. Extrusions occur [http://en.wikipedia.org/wiki/Surface_normal normal] to the defining sketch plane. |
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With the option '''Symmetric to plane''' the pad will extend half of the given length to either side of the sketch plane. |
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Negative dimensions are not possible. Use the '''Reversed''' option instead. |
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[[File:PartDesign Pad example.svg|none]] |
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===Two dimensions=== |
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<!--T:34--> |
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''Sketch (A) shown on the left; end result after pad operation (B) on the right.'' |
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'''Note:''' {{VersionMinus|0.16}} If the selected sketch is mapped to the face of an existing solid or another Part Design feature, the pad will be fused to it. |
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==Usage== <!--T:26--> |
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<!--T:42--> |
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# Select the sketch to be padded. '''Note:''' As of {{VersionPlus|0.17}} a face on the existing solid can alternatively be used. |
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# Press the {{Button|[[Image:PartDesign_Pad.svg|16px]] '''Pad'''}} button. |
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# Set the Pad parameters, see the [[#Options|Options]] below. |
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# Click {{KEY|OK}}. |
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==Options== <!--T:27--> |
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<!--T:43--> |
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When creating a pad, the Combo view automatically switches to the Tasks pane, showing the '''Pad parameters''' dialogue. |
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<!--T:28--> |
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[[Image:pad_parameters_cropped.png|frame|left]] |
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===Type=== <!--T:29--> |
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<!--T:44--> |
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Type offers five different ways of specifying the length to which the pad will be extruded. |
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====Dimension==== <!--T:45--> |
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<!--T:46--> |
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Enter a numeric value for the length of the pad. The default direction for extrusion is away (outside of) the support, but it can be changed by ticking the '''Reversed''' option. Extrusions occur [http://en.wikipedia.org/wiki/Surface_normal normal] to the defining sketch plane. With the option '''Symmetric to plane''' the pad will extend half of the given length to either side of the sketch plane. Negative dimensions are not possible. Use the '''Reversed''' option instead. |
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====Two dimensions==== <!--T:47--> |
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<!--T:48--> |
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This allows to enter a second length in which the pad should extend in the opposite direction (into the support). Again can be changed by ticking the '''Reversed''' option. |
This allows to enter a second length in which the pad should extend in the opposite direction (into the support). Again can be changed by ticking the '''Reversed''' option. |
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===To last=== |
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====To last==== <!--T:49--> |
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<!--T:50--> |
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The pad will extrude up to the last face of the support in the extrusion direction. If there is no support, an error message will appear. |
The pad will extrude up to the last face of the support in the extrusion direction. If there is no support, an error message will appear. |
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===To first=== |
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====To first==== <!--T:51--> |
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<!--T:52--> |
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The pad will extrude up to the first face of the support in the extrusion direction. If there is no support, an error message will appear. |
The pad will extrude up to the first face of the support in the extrusion direction. If there is no support, an error message will appear. |
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===Up to face=== |
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====Up to face==== <!--T:53--> |
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<!--T:54--> |
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The pad will extrude up to a face in the support that can be chosen by clicking on it. If there is no support, no selections will be accepted. |
The pad will extrude up to a face in the support that can be chosen by clicking on it. If there is no support, no selections will be accepted. |
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|} |
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== |
===Length=== <!--T:30--> |
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<!--T:55--> |
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Defines the length of the pad. Multiple units can be used independently of the user's units preferences (m, cm, mm, nm, ft or ', in or "). |
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=== Use custom direction === <!--T:59--> |
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<!--T:60--> |
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{{Version|0.19}} |
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If checked, the pad direction will not be the normal vector of the sketch but the given vector. The pad length is however set according to the normal vector direction. |
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=== Symmetric to plane === <!--T:31--> |
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<!--T:56--> |
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Tick the checkbox to extend half of the given length to either side of the sketch plane. |
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=== Reversed === <!--T:32--> |
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Reverses the direction of the pad. |
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==Properties== <!--T:35--> |
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* {{PropertyData|Type}}: Type of ways how the pad will be extruded, see [[#Options|Options]]. |
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* {{PropertyData|Length}}: Defines the length of the pad, see [[#Options|Options]]. |
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* {{PropertyData|Length2}}: Second pad length in case the {{PropertyData|Type}} option '''TwoLengths''' is used, see [[#Options|Options]]. |
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* {{PropertyData|Use Custom Vector}}: {{Version|0.19}} If checked, the pad direction will not be the normal vector of the sketch but the given vector, see [[#Options|Options]]. |
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* {{PropertyData|Direction}}: {{Version|0.19}} Vector of the pad direction if the {{PropertyData|Use Custom Vector}} is used. |
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* {{PropertyData|Up To Face}}: A face the pad will extrude up to, see [[#Options|Options]]. |
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* {{PropertyData|Offset}}: Offset from face in which the pad will end. This is only taken into account if the {{PropertyData|Type}} option '''UpToLast''', '''UpToFirst''' or '''UpToFace''' is used. |
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* {{PropertyData|Refine}}: {{VersionPlus|0.17}} true or false. Cleans up residual edges left after the operation. This property is initially set according to the user's settings (found in ''Preferences → Part design → General → Model settings''). It can be manually changed afterwards. This property will be saved with the FreeCAD document. |
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==Limitations== <!--T:33--> |
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<!--T:58--> |
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* Like all Part Design features, Pad creates a solid, thus the sketch must include a closed profile or it will fail with a ''Failed to validate broken face'' error. There can be multiple enclosed profiles inside a larger one, provided none intersect each other (for example, a rectangle with two circles inside it). |
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* The algorithm used for '''To First''' and '''To Last''' is: |
* The algorithm used for '''To First''' and '''To Last''' is: |
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** Create a line through the centre of gravity of the sketch |
** Create a line through the centre of gravity of the sketch |
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** Find all faces of the support cut by this line |
** Find all faces of the support cut by this line |
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** Choose the face where the intersection point is nearest/furthest from the sketch |
** Choose the face where the intersection point is nearest/furthest from the sketch |
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: This means that the face that is found might not always be what you expected. If you run into this problem, use the '''Up to face''' type instead, and pick the face you want. |
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: For the very special case of extrusion to a concave surface, where the sketch is larger than this surface, extrusion will fail. This is a unresolved bug. |
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* There is no automatic cleanup, e.g. of adjacent planar surfaces into a single surface. You can fix this manually in the Part workbench with |
* {{VersionMinus|0.16}} There is no automatic cleanup, e.g. of adjacent planar surfaces into a single surface. You can fix this manually in the [[Image:Workbench_Part.svg|16px]] [[Part Workbench|Part workbench]] with {{Button|[[Image:Part_RefineShape.svg|16px]] [[Part RefineShape|Part RefineShape]]}} (which creates an unlinked, non-parametric solid) or with the {{Button|[[Image:OpenSCAD RefineShapeFeature.svg|16px]] [[OpenSCAD RefineShapeFeature|OpenSCAD RefineShapeFeature]]}} from the [[Image:Workbench_OpenSCAD.svg|16px]] [[OpenSCAD Module|OpenSCAD Workbench]] which creates a parametric feature. |
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<!--T:38--> |
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<languages/> |
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{{Docnav |
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|[[PartDesign_Clone|Create a clone]] |
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|[[PartDesign_Revolution|Revolution]] |
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|[[PartDesign_Workbench|PartDesign]] |
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|IconL=PartDesign_Clone.svg |
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|IconR=PartDesign_Revolution.svg |
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|IconC=Workbench_PartDesign.svg |
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}} |
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{{PartDesign Tools navi{{#translation:}}}} |
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Revision as of 17:06, 18 January 2021
PartDesign Pad |
Menu location |
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Part Design → Pad |
Workbenches |
PartDesign |
Default shortcut |
None |
Introduced in version |
- |
See also |
None |
Description
The PartDesign Pad tool extrudes a sketch into a solid in a direction normal to the sketch plane. As of version 0.17 and above faces on the solid can also be used.
Sketch (A) shown on the left; end result after pad operation (B) on the right.
Note: version 0.16 and below If the selected sketch is mapped to the face of an existing solid or another Part Design feature, the pad will be fused to it.
Usage
- Select the sketch to be padded. Note: As of version 0.17 and above a face on the existing solid can alternatively be used.
- Press the Pad button.
- Set the Pad parameters, see the Options below.
- Click OK.
Options
When creating a pad, the Combo view automatically switches to the Tasks pane, showing the Pad parameters dialogue.
Type
Type offers five different ways of specifying the length to which the pad will be extruded.
Dimension
Enter a numeric value for the length of the pad. The default direction for extrusion is away (outside of) the support, but it can be changed by ticking the Reversed option. Extrusions occur normal to the defining sketch plane. With the option Symmetric to plane the pad will extend half of the given length to either side of the sketch plane. Negative dimensions are not possible. Use the Reversed option instead.
Two dimensions
This allows to enter a second length in which the pad should extend in the opposite direction (into the support). Again can be changed by ticking the Reversed option.
To last
The pad will extrude up to the last face of the support in the extrusion direction. If there is no support, an error message will appear.
To first
The pad will extrude up to the first face of the support in the extrusion direction. If there is no support, an error message will appear.
Up to face
The pad will extrude up to a face in the support that can be chosen by clicking on it. If there is no support, no selections will be accepted.
Length
Defines the length of the pad. Multiple units can be used independently of the user's units preferences (m, cm, mm, nm, ft or ', in or ").
Use custom direction
introduced in version 0.19 If checked, the pad direction will not be the normal vector of the sketch but the given vector. The pad length is however set according to the normal vector direction.
Symmetric to plane
Tick the checkbox to extend half of the given length to either side of the sketch plane.
Reversed
Reverses the direction of the pad.
Properties
- DataType: Type of ways how the pad will be extruded, see Options.
- DataLength: Defines the length of the pad, see Options.
- DataLength2: Second pad length in case the DataType option TwoLengths is used, see Options.
- DataUse Custom Vector: introduced in version 0.19 If checked, the pad direction will not be the normal vector of the sketch but the given vector, see Options.
- DataDirection: introduced in version 0.19 Vector of the pad direction if the DataUse Custom Vector is used.
- DataUp To Face: A face the pad will extrude up to, see Options.
- DataOffset: Offset from face in which the pad will end. This is only taken into account if the DataType option UpToLast, UpToFirst or UpToFace is used.
- DataRefine: version 0.17 and above true or false. Cleans up residual edges left after the operation. This property is initially set according to the user's settings (found in Preferences → Part design → General → Model settings). It can be manually changed afterwards. This property will be saved with the FreeCAD document.
Limitations
- Like all Part Design features, Pad creates a solid, thus the sketch must include a closed profile or it will fail with a Failed to validate broken face error. There can be multiple enclosed profiles inside a larger one, provided none intersect each other (for example, a rectangle with two circles inside it).
- The algorithm used for To First and To Last is:
- Create a line through the centre of gravity of the sketch
- Find all faces of the support cut by this line
- Choose the face where the intersection point is nearest/furthest from the sketch
- This means that the face that is found might not always be what you expected. If you run into this problem, use the Up to face type instead, and pick the face you want.
- For the very special case of extrusion to a concave surface, where the sketch is larger than this surface, extrusion will fail. This is a unresolved bug.
- version 0.16 and below There is no automatic cleanup, e.g. of adjacent planar surfaces into a single surface. You can fix this manually in the Part workbench with Part RefineShape (which creates an unlinked, non-parametric solid) or with the OpenSCAD RefineShapeFeature from the OpenSCAD Workbench which creates a parametric feature.
- Structure tools: Part, Group
- Helper tools: Create body, Create sketch, Edit sketch, Map sketch to face
- Modeling tools
- Datum tools: Create a datum point, Create a datum line, Create a datum plane, Create a local coordinate system, Create a shape binder, Create a sub-object(s) shape binder, Create a clone
- 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
- Transformation tools: Mirrored, Linear Pattern, Polar Pattern, Create MultiTransform, Scaled
- Dress-up tools: Fillet, Chamfer, Draft, Thickness
- Boolean: Boolean operation
- Extras: Migrate, Sprocket, Involute gear, Shaft design wizard
- Context menu: Set tip, Move object to other body, Move object after other object, Appearance, Color per face
- 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, Assembly, CAM, Draft, FEM, Inspection, Mesh, OpenSCAD, Part, PartDesign, Points, Reverse Engineering, Robot, Sketcher, Spreadsheet, Start, Surface, TechDraw, Test Framework, Web
- Hubs: User hub, Power users hub, Developer hub