Stp To Dwg Converter Free

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View STP and STEP files in an application or a FREE online service. Convert them to DWG, DXF, STL, OBJ and other formats, measure 3D models. Call us at +1 800 469-9789. Language Home 3D. The ODA Converter is a small freely available utility that allows to convert between several versions of DWG and DXF files. FreeCAD can use it to offer DWG import and export, by converting DWG files to the DXF format under the hood,then using its standard DXF importer to import the file contents. The restrictions of the DXF importer apply.

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Why is it hard to support DWG Files in FreeCAD?

The DWG format is a closed source binary file format that is not directly supported by FreeCAD. It requires an external 3rd party file converter to first convert then import the conversion into FreeCAD for use.

Note that at this time, it is not possible to import 3D DWG in FreeCAD. 3D data is embedded as binary .SAT (ACIS) data, a proprietary and undocumented format.

What Do I Need To Be Able To Import DWG Files?

ODA Converter (formerly Teigha Converter)

  • homepage: https://www.opendesign.com/guestfiles/oda_file_converter
  • license: freeware
  • optional, used to enable import and export of DWG files

The ODA Converter is a small freely available utility that allows to convert between several versions of DWG and DXF files. FreeCAD can use it to offer DWG import and export, by converting DWG files to the DXF format under the hood,then using its standard DXF importer to import the file contents. The restrictions of the DXF importer apply.

Installation

On all platforms, only by installing the appropriate package from https://www.opendesign.com/guestfiles/oda_file_converter. After installation, if the utility is not found automatically by FreeCAD, you might need to set the path to the converter executable manually. open Edit → Preferences → Import-Export → DWG and fill 'Path to Teigha File Converter' appropriately.

For more detailed instruction see this tutorial.

Usage

The program may be used with the command line interface or the graphical interface.Be sure to convert the DWG files to an ASCII-Format.

Command Line Format is:

  1. Quoted Input Folder
  2. Quoted Output Folder
  3. Output_version {'ACAD9','ACAD10','ACAD12', 'ACAD13','ACAD14', 'ACAD2000','ACAD2004', 'ACAD2007','ACAD2010'}
  4. Output File type {'DWG','DXF','DXB'}
  5. Recurse Input Folder {'0','1'}
  6. Audit each file {'0','1'}
  7. [optional] Input file filter (default:'*.DWG;*.DXF')

Example for Linux

The second number (audit) needs to be 1 otherwise it fails

Example for Windows

CADExchanger Workbench

Installing the CADExchanger Workbench allows for working with DWG files through integration with the paid commercial file converter product CADExchanger. Just follow the instructions in the GitHub repository. You can discuss this workbench on its forum thread.

At the moment, the CADExchanger way is the only one that allows to work with 3D DWG files, by converting them to other 3D formats.

FreeCAD v0.19 and LibreDWG

As from 0.19, FreeCAD doesn't need the ODA converter anymore and can use libreDWG directly. Be aware that, since libreDWG is a work-in-progress, depending on your file, the results might not be the same.

  • homepage: https://www.gnu.org/software/libredwg/
  • license: GPLv2-or-later
  • optional, used to enable import and export of DWG files

GNU LibreDWG is a free C library to handle DWG files. It aims to be a free replacement for the Open Design Alliance Drawings SDK libraries.

Installation

AppImage releases

LibreDWG is included in v 0.19_pre appimages[1]

Windows

LibreDWG can be configured to work on Windows by downloading and unzipping the appropriate pre-compiled windows binary and adding the folder to your Windows versions system path.

Linux/Unix systems

openSUSE

To prevent from program execution problems you must use LibreDWG package compiled for the installed openSUSE OS distribution. LibreDWG is typically installed with YAST (abbr. Yet another Setup Tool), the Linux operating system's setup and configuration tool.

The more experienced user first gets an overview of possible packages provided.Note: openSUSE has several options to choose from when downloading LibreDWG. To view these options, visit Survey of provided LibreDWG packages on openSUSE.

For e. g. Intel or AMD 64-bit desktops, laptops, and servers the (x86_64) release is the one to select. So, libredwg0 and libredwg-tools are of the right choice to install.

It is recommended to grab the binary packages directly. Then select the correct distribution for your installed openSUSE OS.

In any terminal/console (root rights required) the installation will be carried out with:

Afterwards every *.dwg file import should work properly.

What Are The Alternatives?

DoubleCAD XT

There is also DoubleCAD XT (https://www.turbocad.com/content/doublecad-xt-v5). The program is free for personal and commercial use. It requires a free sign-up to receive an activation code via E-Mail. This Program is windows-only. Note: it does not seem to have been updated for years.

NanoCAD 5.0

There is also nanoCAD 5.0 (https://nanocad.com/products/nanoCAD/download/). The program is free for personal and commercial use. It requires a free sign-up to receive an activation code via E-Mail. This Program is windows-only.

Export Your AutoCAD files in Friendly Format

Exporting your AutoCAD files in a more FreeCAD friendly format, like DXF R12 or R14, SVG, and if version supports it, IGES. All are better alternatives to the DWG format when using FreeCAD.

It is important to know that, contrarily to popular belief, there is no difference between the contents of a file saved in DWG or DXF formats, provided it is the same version (ex. DWG 2014 vs. DXF 2014). Both formats are maintained by Autodesk, and they both support exactly the same features. The difference is that DWG is closed (machine-encoded) while DXF is open.

What Can I Do To Help?

Promote the use of alternative formats

Simply put, stop accepting work done in DWG format. In practice, this is often easier said than done. Still, it would not be bad practice for users and supporters of FreeCAD to avoid and reject the DWG format whenever possible.

Use the LibreDWG library and file bug reports

In development version as mentioned above you can switch from the proprietary ODA Converter to the free software LibreDWG library for DWG (and DXF) files. Please do this and report any problems you encounter.

Draft
  • Basics:Constraining, Snapping(Near, Extension, Parallel, Grid, Endpoint, Midpoint, Perpendicular, Angle, Center, Ortho, Intersection, Special, Dimensions, Working plane)
  • Drawing:Line, Polyline, Fillet, Circle, Arc, Arc 3 points, Ellipse, Polygon, Rectangle, Text, Dimension, BSpline, Point, ShapeString, Facebinder, Cubic Bezier Curve, Bezier Curve, Label
  • Modifying:Move, Rotate, Offset, Trimex, Join, Split, Upgrade, Downgrade, Scale, Edit, SubelementHighlight, Wire to BSpline, Shape 2D View, Draft to Sketch, Array, LinkArray, Polar Array, Circular Array, Path Array, Path LinkArray, Point Array, Clone, Drawing, Mirror, Stretch
  • Utilities:Set working plane, Finish line, Close line, Undo line, Toggle construction mode, Toggle continue mode, Apply style, Toggle display mode, Add to group, Select group contents, Toggle snap, Toggle grid, Show snap bar, Heal, Flip Dimension, Slope, AutoGroup, Set Working Plane Proxy, Add to Construction group
  • Additional:Preferences, Import Export Preferences (DXF/DWG, SVG, OCA, DAT); Draft API
User documentation
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  • Basics:About FreeCAD, Interface, Mouse navigation, Selection methods, Object name, Preferences, Workbenches, Document structure, Properties; Help FreeCAD, Donate
  • Help:Tutorials, Video tutorials
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  • Hubs:User hub, Power users hub, Developer hub
Retrieved from 'http://wiki.freecadweb.org/index.php?title=FreeCAD_and_DWG_Import&oldid=915253'

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Input file formats:

CAD formats:
Autocad 3D DWG (dwg), SolidWorks (sldprt, sldasm), Inventor (ipt, iam), CATIA V5, JT, Pro/ENGINEER (prt, asm), NX (prt), Parasolid (x_t, x_b, xmt, xmt_txt), PLMXML, SolidEdge (par, asm, pwd, psm), RHINO (3dm), OneSpace Designer (pkg, bdl)
Graphical formats:
Autodesk 3D Studio (3DS), SketchUp (skp), Wavefront OBJ (obj), VRML (wrl, vrml), CGR, Collada (dae), 3D PDF (pdf, prc, u3d)
Neutral & Other formats:
STEP (stp, step), IGES (igs, iges), STL, CATIA V4 (model, dlv, exp, session), CADDS (_pd), I-DEAS (arc, unv, mf1, prt, pkg)
Output file formats:
OBJ (obj), 3D PDF (pdf), STL (stl), 3D Studio (3ds)
DwgPlease note the output file is zipped up due to speed optimization.