Part Module

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Part workbench icon

Introduction

FreeCAD's CAD kapabilitet är baserad på OpenCasCade kärnan. Del modulen tillåter FreeCAD att komma åt och använda OpenCasCade objekt och funktioner. OpenCascade är en professionell CAD kärna, som erbjuder avancerad 3D geometrimanipulation och objekt. Del objekten, till skillnad från Nätmodul objekten, är mycket komplexare, och tillåter därför mycket mer avancerade operationer, som koherenta booleska operationer, ändringshistorik och parametriskt beteende.

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.

Part Workbench relationships.svg

The Part Workbench is the basic layer that exposes the OCCT drawing functions to all workbenches in FreeCAD.

Verktygen

Alla Del modul verktygen finns i Del menyn som kommer fram när du laddar Del modulen.

Primitiver

Detta är verktyg för att skapa primitivobjekt.

  • Part Box.png Låda: Ritar en låda genom att ge dess dimensioner
  • Part Cylinder.png Cylinder: Ritar en cylinder genom att ge dess dimensioner
  • Part Sphere.png Sfär: Ritar en sfär genom att ge dess dimensioner
  • Part Cone.png Kon: Ritar en kon genom att ge dess dimensioner
  • Part Torus.png Torus: Ritar en torus (ring) genom att ge dess dimensioner
  • Part CreatePrimitives.png CreatePrimitives: Ett verktyg för att skapa olika parametriska geometriska primitiver
  • Part Shapebuilder.png Shapebuilder: Ett verktyg för att skapa mer komplexa former från olika parametriska geometriska primitiver
  • Part Cone.svg Cone: Creates a cone.
  • Part Torus.svg Torus: Creates a torus (ring).
  • Part Primitives.svg Primitives: A tool to create one of the following primitives:
    • Part Plane.svg Plane: Creates a plane.
    • Tree Part Box Parametric.svg Box: Creates a box. This object can also be created with the Part Box.svg Box tool.
    • Tree Part Cylinder Parametric.svg Cylinder: Creates a cylinder. This object can also be created with the Part Cylinder.svg Cylinder tool.
    • Tree Part Cone Parametric.svg Cone: Creates a cone. This object can also be created with the Part Cone.svg Cone tool.
    • Tree Part Sphere Parametric.svg Sphere: Creates a sphere. This object can also be created with the Part Sphere.svg Sphere tool.
    • Part Ellipsoid.svg Ellipsoid: Creates a ellipsoid.
    • Tree Part Torus Parametric.svg Torus: Creates a torus. This object can also be created with the Part Torus.svg Torus tool.
    • Part Prism.svg Prism: Creates a prism.
    • Part Wedge.svg Wedge: Creates a wedge.
    • Part Helix.svg Helix: Creates a helix.
    • Part Spiral.svg Spiral: Creates a spiral.
    • Part Circle.svg Circle: Creates a circular edge.
    • Part Ellipse.svg Ellipse: Creates an elliptical edge.
    • Part Point.svg Point: Creates a point (vertex).
    • Part Line.svg Line: Creates a line (edge).
    • Part RegularPolygon.svg Regular Polygon: Creates a regular polygon.
  • Part Builder.svg Builder: Creates shapes from various primitives.

Förändra objekt

Detta är verktyg för att förändra existerande objekt. De kommer att låta dig välja vilka objekt som du vill förändra.

  • Part Extrude.png Extrudera: Extruderar plana ytor på ett objekt
  • Part Revolve.png Rotera: Skapar ett objekt genom att rotera ett annat objekt runt en axel
  • Part Mirror.png Spegling: Speglar de valda objekten runt en given axel
  • Part Fillet.png Fasning: Fasar (rundar) kanterna på ett objekt
  • Part Chamfer.png Fasning: Fasar (klipper) kanter på ett objekt
  • Part RuledSurface.png Ruled Surface:
  • Part Loft.png Loft: Lofts från en profil till en annan
  • Part Sweep.png Sweep: Sopa en eller flera profiler längs en bana
  • Part Revolve.svg Revolve: Creates a solid by revolving an object (not a solid) around an axis.
  • Part Mirror.svg Mirror: Mirrors the selected object across a mirror plane.
  • Part Fillet.svg Fillet: Fillets (rounds) edges of an object.
  • Part Chamfer.svg Chamfer: Chamfers edges of an object.
  • Part Loft.svg Loft: Lofts from one profile to another.
  • Part Sweep.svg Sweep: Sweeps one or more profiles along a path.
  • Part Section.svg Section: Creates a section by intersecting an object with a section plane.
  • Part CompOffsetTools.png Offset tools:
    • Part Offset.svg 3D Offset: Constructs a parallel shape at a certain distance from an original.
    • Part Offset2D.svg 2D Offset: Constructs a parallel wire at certain distance from an original, or enlarges/shrinks a planar face.
  • Part EditAttachment.svg Attachment: Attaches an object to another object.

Boolean

These tools perform boolean operations.

  • Part Booleans.png Boolesk: Utför booleska operationer på objekt
  • Part Union.png Förena: Förenar två objekt
  • Part Common.png Gemensamt: Tar bort den gemensamma (skärningen) delen mellan två objekt
  • Part Cut.png Klipp: Klipper (tar bort) ett objekt från ett annat
  • Part Cut.svg Cut: Cuts (subtracts) one object from another.
  • Part Fuse.svg Fuse: Fuses (unions) two objects.
  • Part Common.svg Common: Extracts the common (intersection) part of two objects.
  • Part CompJoinFeatures.png Join features:
    • Part JoinConnect.svg Connect: Connects interiors of walled objects.
    • Part JoinEmbed.svg Embed: Embeds a walled object into another walled object.
    • Part JoinCutout.svg Cutout: Creates a cutout in a wall of an object for another walled object.
  • Part CompSplittingTools.png Splitting tools:
    • Part BooleanFragments.svg Boolean fragments: Creates all pieces obtained from Boolean operations.
    • Part SliceApart.svg Slice a part: Slices and splits an object by intersecting it with other objects.
    • Part Slice.svg Slice: Slices an object by intersecting it with other objects.
    • Part XOR.svg XOR: Removes space shared by an even number of objects (symmetric version of Cut).

Measure

Part Measure Menu.png Measure: Tools for linear and angular measurements.

Other tools

  • Part Import.svg Import: Imports from *.IGES, *.STEP, or *.BREP files.
  • Part Export.svg Export: Exports to *.IGES, *.STEP, or *.BREP files.

Context menu items

  • Std SetAppearance.svg Appearance: Determines the appearance of a whole object (color, transparency etc.).
  • Part FaceColors.svg Set colors: Assigns colors to individual faces of objects.

Preferences

  • Preferences-part design.svg Preferences: Preferences available for Part Tools (the Part workbench also uses the PartDesign Preferences).
  • Preferences-import-export.svg Import Export Preferences: Preferences available for importing from and exporting to different file formats.
  • Fine-tuning: Some extra parameters to fine-tune Part behavior.

Skript

See Part scripting.

Tutorials