Part Module

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OpenSCAD Module

Next: PartDesign Workbench

Index

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.

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.

Låda: Ritar en låda genom att ge dess dimensioner
Cylinder: Ritar en cylinder genom att ge dess dimensioner
Sfär: Ritar en sfär genom att ge dess dimensioner
Kon: Ritar en kon genom att ge dess dimensioner
Torus: Ritar en torus (ring) genom att ge dess dimensioner
CreatePrimitives: Ett verktyg för att skapa olika parametriska geometriska primitiver
Shapebuilder: Ett verktyg för att skapa mer komplexa former från olika parametriska geometriska primitiver

Cylinder: Creates a cylinder.

Sphere: Creates a sphere.

Cone: Creates a cone.

Torus: Creates a torus (ring).

Tube: Creates a tube. introduced in version 0.19

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 edge.
- Ellipse: Creates an elliptical edge.
- Point: Creates a point (vertex).
- Line: Creates a line (edge).
- Regular Polygon: Creates a regular polygon.

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.

Extrudera: Extruderar plana ytor på ett objekt
Rotera: Skapar ett objekt genom att rotera ett annat objekt runt en axel
Spegling: Speglar de valda objekten runt en given axel
Fasning: Fasar (rundar) kanterna på ett objekt
Fasning: Fasar (klipper) kanter på ett objekt
Ruled Surface:
Loft: Lofts från en profil till en annan
Sweep: Sopa en eller flera profiler längs en bana

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.

Ruled Surface: Creates a ruled surface.

Loft: Lofts from one profile to another.

Sweep: Sweeps one or more profiles along a path.

Offset tools:
- 3D Offset: Constructs a parallel shape at a certain distance from an original.
- 2D Offset: Constructs a parallel wire at certain distance from an original, or enlarges/shrinks a planar face.

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

Compound Tools:
- Make compound: Creates a compound from the selected objects.
- Explode Compound: Splits up compounds.
- Compound Filter: Extracts the individual pieces from compounds.

Boolesk: Utför booleska operationer på objekt
Förena: Förenar två objekt
Gemensamt: Tar bort den gemensamma (skärningen) delen mellan två objekt
Klipp: Klipper (tar bort) ett objekt från ett annat

Cut: Cuts (subtracts) one object from another.

Fuse: Fuses (unions) two objects.

Common: Extracts the common (intersection) part of two objects.

Join features:
- Connect: Connects interiors of walled objects.
- Embed: Embeds a walled object into another walled object.
- Cutout: Creates a cutout in a wall of an object for another walled object.

Splitting tools:
- Boolean fragments: Creates all pieces obtained from Boolean operations.
- Slice a part: 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 (symmetric version of Cut).

Defeaturing: (v0.18)
Sektionera: Skapar en sektion genom att skära ett objekt med ett sektioneringsplan
Cross sections...:

Section: Creates a section by intersecting an object with a section plane.

Cross sections...: Creates one or more cross-sections through an object.

Attachment: Attaches an object to another object.

Measure

Measure: Tools for linear and angular measurements.

Measure Linear: Creates a linear measurements.

Measure Angular: Creates an angular measurements.

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.

BoxSelection: 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.

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.

Make face from wires: Makes a face from a set of wires. introduced in version 0.19

Context menu items

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.