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{{Caption|The Part Workbench is the basic layer that exposes the OCCT drawing functions to all workbenches in FreeCAD.}} |
{{Caption|The Part Workbench is the basic layer that exposes the OCCT drawing functions to all workbenches in FreeCAD.}} |
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=== 工具 === |
=== 工具 === |
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===Primitives=== |
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* [[Image:Part_Cut.svg|32px]] [[Part_Cut|Cut]]: Cuts (subtracts) one object from another. |
* [[Image:Part_Cut.svg|32px]] [[Part_Cut|Cut]]: Cuts (subtracts) one object from another. |
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* [[Image:Part_Fuse.svg|32px]] [[Part_Fuse|Fuse]]: Fuses (unions) two objects. |
* [[Image:Part_Fuse.svg|32px]] [[Part_Fuse|Fuse]]: Fuses (unions) two or more objects. |
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* [[Image:Part_Common.svg|32px]] [[Part_Common|Common]]: Extracts the common (intersection) part of two objects. |
* [[Image:Part_Common.svg|32px]] [[Part_Common|Common]]: Extracts the common (intersection) part of two objects. |
Revision as of 10:14, 26 February 2023
Introduction
FreeCAD 的電腦輔助設計功能建構於 OpenCasCade 核心。物件坊讓 FreeCAD 取用 OpenCasCade 物件與功能。OpenCasCade 是一專業級電腦輔助設計核心,善於空間幾何控制與物件。不同於 網狀模組 物件,物體物件更加複雜,因此容許更多進階操作,例如一致布林操作、修改歷史和參數行為。
A more detailed discussion of Part workbench versus Part Design workbench can be found here: Part and Part Design.
The objects created with the Part Workbench are relatively simple; they are intended to be used with boolean operations (unions and cuts) in order to build more complex shapes. This modeling paradigm is known as the constructive solid geometry (CSG) workflow, and it was the traditional methodology used in early CAD systems. On the other hand, the PartDesign Workbench provides a more modern workflow to constructing shapes: it uses a parametrically defined sketch, that is extruded to form a basic solid body, which is then modified by parametric transformations (feature editing), until the final object is obtained.
Part objects are more complex than mesh objects created with the Mesh Workbench, as they permit more advanced operations like coherent boolean operations, modifications history, and parametric behaviour.
The Part Workbench is the basic layer that exposes the OCCT drawing functions to all workbenches in FreeCAD.
工具
所有零件坊工具皆置於物件選單,載入物件坊時顯示。
Primitives
These are tools for creating primitive objects.
Box: Creates a box.
Cylinder: Creates a cylinder.
Sphere: Creates a sphere.
Cone: Creates a cone.
Torus: Creates a torus.
Tube: Creates a tube. introduced in version 0.19
Create primitives...: A tool to create one of the following primitives:
Plane: Creates a plane.
Box: Creates a box. This object can also be created with the
Box tool.
Cylinder: Creates a cylinder. This object can also be created with the
Cylinder tool.
Cone: Creates a cone. This object can also be created with the
Cone tool.
Sphere: Creates a sphere. This object can also be created with the
Sphere tool.
Ellipsoid: Creates a ellipsoid.
Torus: Creates a torus. This object can also be created with the
Torus tool.
Prism: Creates a prism.
Wedge: Creates a wedge.
Helix: Creates a helix.
Spiral: Creates a spiral.
Circle: Creates a circular arc.
Ellipse: Creates an elliptical arc.
Point: Creates a point.
Line: Creates a line.
Regular polygon: Creates a regular polygon.
Shape builder...: Creates shapes from various primitives.
Creation and modification
These are tools for creating new and modifying existing objects.
Extrude: Extrudes planar faces.
Revolve: Creates a solid by revolving an object (not a solid) around an axis.
Mirror: Mirrors the selected object across a mirror plane.
Fillet: Fillets (rounds) edges of an object.
Chamfer: Chamfers edges of an object.
Make face from wires: Makes a face from a set of wires (contours). introduced in version 0.19
Ruled Surface: Creates a ruled surface.
Loft: Lofts from one profile to another.
Sweep: Sweeps one or more profiles along a path.
Section: Creates a section by intersecting an object with a section plane.
Cross sections...: Creates one or more cross-sections through an object.
Thickness: Hollows out a solid.
Projection on surface: Projects a logo, text or any face, wire or edge onto a surface. introduced in version 0.19
Attachment: Attaches an object to another object.
Boolean
These tools perform boolean operations.
Compound Tools:
Make compound: Creates a compound from the selected objects.
Explode Compound: Splits up compounds.
Compound Filter: Extracts the individual pieces from compounds.
Boolean: Performs boolean operations on objects.
Cut: Cuts (subtracts) one object from another.
Fuse: Fuses (unions) two or more objects.
Common: Extracts the common (intersection) part of two objects.
Splitting tools:
Boolean fragments: Creates all pieces obtained from Boolean operations.
Slice apart: Slices and splits an object by intersecting it with other objects.
Slice: Slices an object by intersecting it with other objects.
XOR: Removes space shared by an even number of objects.
Measure
Measure Linear: Creates a linear measurement.
Measure Angular: Creates an angular measurement.
Measure Refresh: Updates all measurements.
Clear All: Clears all measurements.
Toggle All: Shows or hides all measurements.
Toggle 3D: Shows or hides 3D measurements.
Toggle Delta: Shows or hides delta measurements.
Other tools
Import: Imports from *.IGES, *.STEP, or *.BREP files.
Export: Exports to *.IGES, *.STEP, or *.BREP files.
Box selection: Selects faces from a rectangular area.
Shape from Mesh: Creates a shape object from a mesh object.
Points from mesh: Creates a shape object made of points from a mesh object. introduced in version 0.19
Convert to solid: Converts a shape object to a solid object.
- File:Part ReverseShapes.svg Reverse shapes: Flips the normals of all faces of selected objects.
- Create a copy:
Create simple copy: Creates a simple copy of a selected object.
Create transformed copy: Creates a transformed copy of a selected object. introduced in version 0.19
Create shape element copy: Creates a copy from an element (vertex, edge, face) of a selected object. introduced in version 0.19
Refine shape: Cleans faces by removing unnecessary lines.
Check geometry: Checks the geometry of selected objects for errors.
Defeaturing: Removes features from an object.
Appearance: Determines the appearance of a whole object (color, transparency etc.).
Set colors: Assigns colors to individual faces of objects.
Preferences
Preferences: Preferences available for Part Tools (the Part workbench also uses the PartDesign Preferences).
Import Export Preferences: Preferences available for importing from and exporting to different file formats.
- Fine-tuning: Some extra parameters to fine-tune Part behavior.
Scripting
See Part scripting.
Tutorials
- Import from STL or OBJ : How to import STL/OBJ files in FreeCAD
- Export to STL or OBJ : How to export STL/OBJ files from FreeCAD
- Whiffle Ball tutorial : How to use the Part Module
![](/images/thumb/9/94/User_hub.png/24px-User_hub.png)
- 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, Assembly, BIM, CAM, Draft, FEM, Inspection, Mesh, OpenSCAD, Part, PartDesign, Points, Reverse Engineering, Robot, Sketcher, Spreadsheet, Surface, TechDraw, Test Framework
- Hubs: User hub, Power users hub, Developer hub
- Primitives: Box, Cylinder, Sphere, Cone, Torus, Tube, Create primitives, Shape builder
- Creation and modification: Extrude, Revolve, Mirror, Scale, Fillet, Chamfer, Make face from wires, Ruled Surface, Loft, Sweep, Section, Cross sections, 3D Offset, 2D Offset, Thickness, Projection on surface, Attachment
- Boolean: Make compound, Explode Compound, Compound Filter, Boolean, Cut, Fuse, Common, Connect, Embed, Cutout, Boolean fragments, Slice apart, Slice, XOR
![](/images/thumb/9/94/User_hub.png/24px-User_hub.png)
- 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, Assembly, BIM, CAM, Draft, FEM, Inspection, Mesh, OpenSCAD, Part, PartDesign, Points, Reverse Engineering, Robot, Sketcher, Spreadsheet, Surface, TechDraw, Test Framework
- Hubs: User hub, Power users hub, Developer hub