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FreeCAD 0.19.3 Stable

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FreeCAD 0.19.3 Stable

FreeCAD is a parametric 3D CAD modeler and drawing tool. It is targeted squarely at the mechanical engineering and product design fields. FreeCAD is a general purpose feature-based for CAD, MCAD, CAx, CAE and PLM. It aimes directly at mechanical engineering and product design but also fits a wider range of uses in engineering. Such as architecture or other engineering specialties.

It is 100% Open Source and extremely modular, allowing for very advanced extension and customization. The software can already import DXF, OCA/ GCAD, SVG, STP, STEP, IGS, IGES and other formats. You can also create a new document from scratch.

FreeCAD supports 2D objects like lines, rectangles, arcs or circle. A as well as various 3D primitives (box, sphere, cylinder, cone, torus), each of which can then be manipulated in various ways (translation, rotation, mirroring, scaling, offset and more).

There are also plenty of mesh tools. A drawing module which exports projected views of your geometry to a 2D SVG document. And a raytracing module which exports your work for rendering in POV-Ray.

Python code underlies all of this. Everything you do within the interface will issue some Python command, which you can examine. Freely enter Python commands yourself if you need a little more flexibility. Or even create macros by recording any particularly useful Python for replay later.

FreeCAD is based on OpenCasCade. That is a powerful geometry kernel, features an Open Inventor-compliant 3D scene representation model. It provided by the Coin 3D library, and a broad Python API. The interface is built with Qt. FreeCAD runs exactly the same way on Windows, Mac OSX and Linux platforms.

Key Features:

  • A complete Open CASCADE Technology-based geometry kernel allowing complex 3D operations on complex shape types. With native support for concepts like brep, nurbs curves and surfaces. A wide range of geometric entities, boolean operations and fillets, and built-in support of STEP and IGES formats
  • A full parametric model. All FreeCAD objects are natively parametric. That means their shape can be based on properties or even depend on other objects. All changes being recalculated on demand, and recorded by the undo/redo stack.
  • A modular architecture that allow plugins (modules) to add functionality to the core application.
  • Import and export to standard formats. Such as STEP, IGES, OBJ, STL, DXF, SVG, STL, DAE, IFC or OFF, NASTRAN, VRML. In addition to FreeCAD’s native Fcstd file format.
  • A Sketcher with constraint-solver, allowing to sketch geometry-constrained 2D shapes. The sketcher currently allows you to build several types of constrained geomerty. Also you can use them as a base to build other objects throughout FreeCAD.
  • A Robot simulation module that allows to study robot movements. The robot module already has an extended graphical interface allowing GUI-only workflow.
  • A Drawing sheets module that permit to put 2D views of your 3D models on a sheet. This modules then produces ready-to-export SVG or PDF sheets. The module is still sparse but already features a powerful Python functionality.
  • A Rendering module that can export 3D objects for rendering with external renderers. Currently only supports povray and LuxRender, but it will be extended to other renderers in the future.
  • An Architecture module that allows BIM-like workflow, with IFC compatibility.

Changes in FreeCAD 0.20

What’s New in FreeCAD 0.19.3:

Addon manager fixes:

  • Freezes/crashes when opening Addon manager

Arch fixes:

  • Parse window opening modes with more than one digit
  • Fix material color pickers

Core (App and Gui) fixes:

  • App quitting despite failing to save project
  • Abort save when unable to finish
  • update weblink to Coin3D
  • Preferences – change macro path selection from File to Folder

Draft fixes:

  • Ensure horizontal orientation of snap widget

Import/Export fixes:

  • Fix STEP import/export color problem

Part fixes:

  • Uniform sorting in menu and toolbar
  • Fix grid visibility in sketches

PartDesign fixes:

  • Fix shortcut of Del key in the pipe dialog
  • Fix loft visibility on creation and modification

Path fixes:

  • Fix bug with spindle not restarting
  • Fix connected multi-face clearing bug
  • Bugfix/job setup
  • Post procesing for GRBL with option “–translate_drill”
  • Fix proxy error bug that occurs when postprocessing
  • Fix depth calculation for vcarve
  • Fix bug adding TC from job dialog
  • Check for empty before using – fixes
  • GUI scripting support and other improvements
  • Fix GUI issues and minor code cleanup
  • Fix minor bug when cancelling post process
  • now outputs fillename for the report the same as the postprocessor job
  • Fix bug splitting gcode by fixture
  • Fix relative shape files for toolbits
  • Fixed incorrect usage of isDirty() in the accept button call back
  • Remove side assignment to outside for full model profiles
  • Fix grbl –return-to placement
  • Fix multi-OS path issue for job templates
  • Update 45 degree chamfer tool bit
  • fix invalid JSON in 45 degree chamfer tool bit
  • Fix face region boundary shape usage
  • Add missing newline to return-to statement in grbl postprocessor
  • Fix bug with job object not found

Spreadsheet fixes:

  • Prevent infinite loop when copy/paste of non-rectangular selection

Sketcher fixes:

  • Fix Reference checkbox not working for radius/diameter
  • Fix Reference checkbox not working for diameter
  • Fix crash when applying Constrain internal alignment on constraints

TechDraw fixes:

  • Fix undo for Cosmetic Vertices and Lines


  • Preferences – Selection Fix Bug for new users who save an unrelated Preference such as Stylesheet from loosing the default selection settings
  • Fix a FEM test failure with yaml.load
  • Start workbench; fix bug when custom folder doesn’t exist
  • Reverse Engineering workbench: Fix compilation with PCL-1.12.0

What’s New in FreeCAD 0.19.2:

  • Gui: ProDark Stylesheet QT Icon Fix
  • [Stylesheet] ProDark: major bugfix for add-ons
  • Gui: Update usability enhancements to ProDark theme
  • [FEM] fix specific heat of air
  • [Draft] Eliminate required GUI for importDXF
  • [Start] Correct TestStart installation location
  • [GUI] Stylesheet fix for icons in Qt file dialog
  • Py: fix memory leak
  • [GUI] Remove explicit triangle styling from tabs
  • Gui: Enable compression of tablet motion events
  • [installer] improve uninstalling
  • TD: fixes #4598: Segfault when deleting template without page
  • PartDesign Helix: update NbTurns in Pitch-Height-Angle mode
  • [GUI] Enable dragging in dependency graph view
  • Import: [skip ci] avoid conflicting class names in global namespace

What’s New in FreeCAD 0.19

FreeCAD 0.18 Release Notes:

FreeCAD 0.17 Release Notes:

Homepage –

Supported Operating Systems:

  • Windows 7, 8, 8.1, 10 (32 and 64 bits)
  • macOS 10.11 El Capitan and later
  • Debian-based Linux systems

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