PartDesign Thickness: Difference between revisions
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The '''Thickness''' tool |
The [[Image:PartDesign_Thickness.svg|24px]] '''PartDesign Thickness''' tool transforms a solid body into a hollow object with at least one open face, giving to each of its remaining faces a uniform thickness. It adds a '''Thickness''' object to the document with its corresponding representation in the [[Tree_view|Tree view]]. |
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[[File:PartDesign_Thickness_example.svg| |
[[File:PartDesign_Thickness_example.svg|400px]] |
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{{Caption| |
{{Caption|Base solid (A) → Solid with selected face to be opened (B) → Resulting hollow object (C)}} |
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==Usage== <!--T:5--> |
==Usage== <!--T:5--> |
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=== Add a |
=== Add a thickness === <!--T:24--> |
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# Optionally activate the Body to apply Thickness to |
# Optionally [[PartDesign_Body#Active_status|activate]] the Body to apply the Thickness to. |
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# Select one or more |
# Select one or more faces of the Body. |
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# There are several ways to invoke the |
# There are several ways to invoke the tool: |
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#* Press the {{Button|[[Image:PartDesign_Thickness.svg|16px |
#* Press the {{Button|[[Image:PartDesign_Thickness.svg|16px]] [[PartDesign_Thickness|Thickness]]}} button. |
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#* Select the {{MenuCommand|Part Design → Apply a dress-up feature → [[Image:PartDesign_Thickness.svg|16px]] Thickness}} option from the menu. |
#* Select the {{MenuCommand|Part Design → Apply a dress-up feature → [[Image:PartDesign_Thickness.svg|16px]] Thickness}} option from the menu. |
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# If there is no active Body, and there are two or more Bodies in the document, the {{MenuCommand|Active Body Required}} dialog will open and prompt you to activate one. If there is a single Body it will be activated automatically. |
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# The Thickness parameters |
# The {{MenuCommand|Thickness parameters}} [[Task_panel|task panel]] opens. See [[#Options|Options]] for more information. |
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# |
# Press the {{Button|OK}} button to finish. |
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:''Remember'': |
:''Remember'': |
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:* Since there must be at least one face for the feature, the last remaining face in the list cannot be removed. |
:* Since there must be at least one face for the feature, the last remaining face in the list cannot be removed. |
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=== Edit a |
=== Edit a thickness === <!--T:26--> |
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# There are two ways to reopen the Thickness parameters dialog to edit a Thickness: |
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#* Double-click on the Thickness item in the [[Tree_view|Tree view]] |
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#* |
#* Double-click the Thickness object in the [[Tree_view|Tree view]] |
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# |
#* Right-click the Thickness object in the [[Tree_view|Tree view]] and select {{MenuCommand|Edit Thickness}} from the context menu. |
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# The {{MenuCommand|Thickness parameters}} [[Task_panel|task panel]] opens. See [[#Options|Options]] for more information. |
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# |
# Press the {{Button|OK}} button to finish. |
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==Options== <!--T:7--> |
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* {{MenuCommand| |
* {{MenuCommand|Add face}}: Add faces to the selection by pressing the {{Button|Add face}} button and selecting more faces. |
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* {{MenuCommand|Remove face}}: Choose a way to remove faces from the selection: |
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** Select one or more faces in the list and press the {{KEY|Del}} key or right-click the list and select {{MenuCommand|Remove}} from the context menu. |
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** Press the {{Button|Remove face}} button. All previously selected faces are highlighted in purple. Select each face to be removed. |
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* {{MenuCommand|Thickness}}: Set the wall thickness either by editing the value or by clicking the up/down arrows. |
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* {{MenuCommand|Mode}}: |
* {{MenuCommand|Mode}}: |
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** {{MenuCommand|Skin}}: |
** {{MenuCommand|Skin}}: Only this option can be selected. |
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** {{MenuCommand|Pipe}}: Not implemented. See [https://forum.freecadweb.org/viewtopic.php?p=484495#p484495 this forum topic]. |
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** {{MenuCommand|Pipe}}: Select this option if you want to get an object like a pipe, headless and bottomless. |
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** {{MenuCommand|Recto Verso}}: |
** {{MenuCommand|Recto Verso}}: Not implemented. See [https://forum.freecadweb.org/viewtopic.php?p=484495#p484495 idem]. |
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:(In case you wonder: '''Pipe''' and '''Recto Verso''' functionality hasn't been implemented since version 0.13, see [https://forum.freecadweb.org/viewtopic.php?p=35987#p35987 2013 topic] and [https://forum.freecadweb.org/viewtopic.php?p=484495#p484495 2021 follow-up]) |
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* {{MenuCommand|Join Type}}: |
* {{MenuCommand|Join Type}}: |
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** {{MenuCommand|Arc}}: |
** {{MenuCommand|Arc}}: When non-tangential faces are offset, new faces that do not intersect are joined by a fillet with a radius equal to the defined thickness. |
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** {{MenuCommand|Intersection}}: When faces are offset |
** {{MenuCommand|Intersection}}: When non-tangential faces are offset, new faces that do not intersect are extended to meet at their virtual intersection. |
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* {{MenuCommand|Intersection}}: When checked, self-intersections in certain models are avoided. This option is not recommended as it relies on an incomplete [https://dev.opencascade.org/doc/refman/html/class_b_rep_offset_a_p_i___make_thick_solid.html#af78f35025a31e2ce8bd96c82fb33a981 OpenCASCADE method]. |
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* {{MenuCommand|Make thickness inwards}}: When checked, faces are offset inward. |
* {{MenuCommand|Make thickness inwards}}: When checked, faces are offset inward. |
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* Known errors: |
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See also: [[Property_editor|Property editor]]. |
See also: [[Property_editor|Property editor]]. |
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A PartDesign Thickness object is derived from a [[Part_Feature|Part Feature]] object and inherits all its properties. It also has the following additional properties: |
A PartDesign Thickness object is derived from a [[Part_Feature|Part Feature]] object and inherits all its properties. It also has the following additional properties: |
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===Data=== |
===Data=== <!--T:32--> |
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{{Properties_Title|Base}} |
{{Properties_Title|Base}} |
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* {{PropertyData|Base|LinkSub}}: Base. Sub-link to the parent feature's list of selected edges and faces. |
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* {{PropertyData| |
* {{PropertyData|Base|LinkSub}}: Sub-link to the parent feature's list of selected edges and faces. |
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: If disabled, only the dressed part of the shape is used for patterning. Default: {{FALSE}}. |
* {{PropertyData|Support Transform|Bool}}: Include the base additive/subtractive shape when used in pattern features. If disabled, only the dressed part of the shape is used for patterning. Default: {{FALSE}}. |
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* {{PropertyData| |
* {{PropertyData|Add Sub Shape|PartShape|hidden}} |
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* {{PropertyData| |
* {{PropertyData|Base Feature|Link|hidden}}: Link to the parent feature. |
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* {{PropertyData| |
* {{PropertyData|_ Body|LinkHidden|hidden}}: Link to the parent body. |
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{{Properties_Title|Part Design}} |
{{Properties_Title|Part Design}} |
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* {{PropertyData|Refine|Bool}}: "Refine shape (clean up redundant edges) after adding/subtracting". Default: {{TRUE}}. |
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* {{PropertyData|Refine|Bool}}: Refine shape (clean up redundant edges) after adding/subtracting. The default value is determined by the {{MenuCommand|Automatically refine model after sketch-based operation}} preference. See [[PartDesign_Preferences#General|PartDesign Preferences]]. |
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{{Properties_Title|Thickness}} |
{{Properties_Title|Thickness}} |
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* {{PropertyData|Value|Length}}: Value. "Thickness value". Default: {{value|1,00 mm}}. |
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* {{PropertyData| |
* {{PropertyData|Value|Length}}: Thickness value. Default: {{value|1 mm}}. |
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* {{PropertyData|Mode|Enumeration}}: Mode. {{value|Skin}} (default), {{value|Pipe}} or {{Value|Recto verso}}. Only {{value|Skin}} is implemented. |
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: ("Recto verso" isn't even listed here...) |
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* {{PropertyData|Join|Enumeration}}: |
* {{PropertyData|Join|Enumeration}}: Join type. {{value|Arc}} (default) or {{Value|Intersection}}. |
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* {{PropertyData|Reversed|Bool}}: |
* {{PropertyData|Reversed|Bool}}: Apply the thickness towards the solids interior. Default: {{FALSE}}. |
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* {{PropertyData|Intersection|Bool}}: |
* {{PropertyData|Intersection|Bool}}: Enable intersection-handling. Default: {{FALSE}}. |
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==Limitations== <!--T:9--> |
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* At least one face to be opened must be selected. |
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* The command may fail with complex shapes. In this context the surface of e.g. a cone has already to be regarded as complex. |
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# Create a Pad from the sketch |
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# Create a second sketch on the XY plane |
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# Create a second Pad from the second sketch |
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</translate> |
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[[File:Braga-primoPad.png]] |
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[[File:Braga-secondoschizzo.png]] |
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[[File:Braga-secondo Pad.png]] |
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<translate> |
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Then |
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# Select a circular face |
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# Select {{Button|[[Image:PartDesign_Thickness.svg|24px]] Thickness}} |
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# Add the other circular faces to the selection |
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Result: |
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[[File:Brga-spessore.png]] |
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== Known Errors == <!--T:18--> |
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Latest revision as of 18:07, 3 December 2023
PartDesign Thickness |
Menu location |
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Part Design → Apply a dress-up feature → Thickness |
Workbenches |
PartDesign |
Default shortcut |
None |
Introduced in version |
0.17 |
See also |
Part Thickness |
Description
The PartDesign Thickness tool transforms a solid body into a hollow object with at least one open face, giving to each of its remaining faces a uniform thickness. It adds a Thickness object to the document with its corresponding representation in the Tree view.
Base solid (A) → Solid with selected face to be opened (B) → Resulting hollow object (C)
Usage
Add a thickness
- Optionally activate the Body to apply the Thickness to.
- Select one or more faces of the Body.
- There are several ways to invoke the tool:
- Press the Thickness button.
- Select the Part Design → Apply a dress-up feature → Thickness option from the menu.
- If there is no active Body, and there are two or more Bodies in the document, the Active Body Required dialog will open and prompt you to activate one. If there is a single Body it will be activated automatically.
- The Thickness parameters task panel opens. See Options for more information.
- Press the OK button to finish.
- Remember:
- Since there must be at least one face for the feature, the last remaining face in the list cannot be removed.
Edit a thickness
- Do one of the following:
- The Thickness parameters task panel opens. See Options for more information.
- Press the OK button to finish.
Options
- Add face: Add faces to the selection by pressing the Add face button and selecting more faces.
- Remove face: Choose a way to remove faces from the selection:
- Select one or more faces in the list and press the Del key or right-click the list and select Remove from the context menu.
- Press the Remove face button. All previously selected faces are highlighted in purple. Select each face to be removed.
- Thickness: Set the wall thickness either by editing the value or by clicking the up/down arrows.
- Mode:
- Skin: Only this option can be selected.
- Pipe: Not implemented. See this forum topic.
- Recto Verso: Not implemented. See idem.
- Join Type:
- Arc: When non-tangential faces are offset, new faces that do not intersect are joined by a fillet with a radius equal to the defined thickness.
- Intersection: When non-tangential faces are offset, new faces that do not intersect are extended to meet at their virtual intersection.
- Intersection: When checked, self-intersections in certain models are avoided. This option is not recommended as it relies on an incomplete OpenCASCADE method.
- Make thickness inwards: When checked, faces are offset inward.
Notes
- If thickness goes inwards, the value must be smaller than the smallest height of the Body.
- The tool may fail with complex shapes. Additive Pipe or Additive Loft may work better to create complex shapes.
- Known errors:
- BRep_API: command not done.
- BRep_Tool: no parameter on edge.
- Silently fails.
Properties
See also: Property editor.
A PartDesign Thickness object is derived from a Part Feature object and inherits all its properties. It also has the following additional properties:
Data
Base
- DataBase (
LinkSub
): Sub-link to the parent feature's list of selected edges and faces. - DataSupport Transform (
Bool
): Include the base additive/subtractive shape when used in pattern features. If disabled, only the dressed part of the shape is used for patterning. Default:false
. - Data (hidden)Add Sub Shape (
PartShape
) - Data (hidden)Base Feature (
Link
): Link to the parent feature. - Data (hidden)_ Body (
LinkHidden
): Link to the parent body.
Part Design
- DataRefine (
Bool
): Refine shape (clean up redundant edges) after adding/subtracting. The default value is determined by the Automatically refine model after sketch-based operation preference. See PartDesign Preferences.
Thickness
- DataValue (
Length
): Thickness value. Default:1 mm
. - DataMode (
Enumeration
): Mode.Skin
(default),Pipe
orRecto verso
. OnlySkin
is implemented. - DataJoin (
Enumeration
): Join type.Arc
(default) orIntersection
. - DataReversed (
Bool
): Apply the thickness towards the solids interior. Default:false
. - DataIntersection (
Bool
): Enable intersection-handling. Default:false
.
PartDesign
- 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, Set colors
User documentation
- 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