Mesh FromPartShape

Export Mesh

Curvature Plot

Mesh

Mesh MeshFromShape‏‎
Menu location
Meshes → Create Mesh from Shape
Workbenches
Mesh
Default shortcut
None
Introduced in version
-
See also
None

Introduction

This command creates a mesh from a shape object.

Use

1. Select the shape object.
2. Choose Meshes → Create Mesh from shape... from the top menu.
3. A menu will ask for the mesher to use and the appropriate values for the mesher

Just selecting Meshes → Create Mesh from shape... will give you an additional menu to choose your shape to mesh

Standard Mesher

You can change these settings:

• Surface deviation: Maximal surface deviation of the mesh from the object
• Angular deviation: Maximal angular deviation of the mesh cells
• Relative surface deviation: If checked, ??
• Apply face colors to mesh: If checked, the mesh will get the face colors of the object
• Define segments by face colors: If checked, ??

Mefisto Mesher

Maximum edge length: If this number is smaller the mesh becomes finer. Smallest value is 0,000.

Netgen Mesher

You can choose between mesh being:

• Very coarse
• Coarse
• Moderate
• Fine
• Very fine
• User defined
  For Mesh being "user defined" you can set these values:
  Mesh size grading: If this parameter is smaller, mesh becomes finer. A value in the range of 0.1-1.
  Element per edge: If this parameter is larger, mesh becomes finer. A value in the range of 0.2-10.
  Element per curvature radius: If this parameter is larger, mesh becomes finer. A value in the range of 0.2-10.

For every main option you can also choose:

• Optimize surface: Whether optimization of surface shape will be done.
• Second order elements: Whether second order elments will be generated.
• Quad dominant: Whether meshes will be arranged like hexahedral.

Scripting

This tool can be used in macros and from the Python console by using the following function:

MeshPart.meshFromShape(Shape=Shape, MaxLength=520)

Example:

import FreeCAD, Draft, Arch, Mesh, MeshPart

Line = Draft.makeWire([FreeCAD.Vector(0, 0, 0),FreeCAD.Vector(2000, 2000, 0)])
Wall = Arch.makeWall(Line, width=150, height=3000)
FreeCAD.ActiveDocument.recompute()

Shape = Wall.Shape.copy(False)
Shape.Placement = Wall.getGlobalPlacement()

mesh_obj = FreeCAD.ActiveDocument.addObject("Mesh::Feature", "Mesh")
mesh_obj.Mesh = MeshPart.meshFromShape(Shape=Shape, MaxLength=520)
mesh_obj.ViewObject.DisplayMode = "Flat Lines"

Notes

• Tutorial: Export_to_STL_or_OBJ

Export Mesh

Curvature Plot

Mesh

Mesh

• Miscellaneous: Import mesh, Export mesh, Create mesh from shape, Regular solid, Unwrap Mesh, Unwrap Face
• Modifying: Harmonize normals, Flip normals, Fill holes, Close hole, Add triangle, Remove components, Remove components by hand, Smooth, Refinement, Decimation, Scale

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• Boolean: Union, Intersection, Difference
• Cutting: Cut mesh, Trim mesh, Trim mesh with a plane, Create section from mesh and plane, Cross-sections
• Components and segments: Merge, Split by components, Create mesh segments, Create mesh segments from best-fit surfaces

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• Analyze: Evaluate and repair mesh, Face info, Curvature plot, Curvature info, Check solid mesh, Boundings info
• Additional: Import Export Preferences, OpenSCAD Workbench, Mesh Scripting

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

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• 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

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• Addons: Addon Manager, External workbenches, Scripting and macros

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• Hubs: User hub, Power users hub, Developer hub