FreeCAD vs. AutoCAD: eine gute Linux-Alternative?

FreeCAD als Linux-Alternative zu AutoCAD

Aktualisiert am 21. Oktober 2026

Unser Fazit

FreeCAD is a strong, free alternative for 3D parametric modeling and technical drawings, but it is not a direct drop-in replacement for AutoCAD. It excels in mechanical design and engineering workflows where parametric history is key. For pure 2D drafting, it feels less intuitive than AutoCAD. If you need DWG compatibility or heavy 2D layer management, you might struggle. However, for 3D solid modeling, FEA, and generating drawings from 3D models, FreeCAD is a capable, open-source choice that covers most engineering needs without a license fee.

Funktionsabdeckung65%

Lizenz: LGPL-2.1
Preis: Kostenlos
Aktuelle Version: 1.1.4 (28. September 2026)
Bewertung: —

FreeCAD installieren Website ↗

Part Design

Was gleich funktioniert

Supports 2D sketching with geometric constraints
Generates 2D technical drawings from 3D models
Offers Python scripting for automation and custom tools
Handles complex 3D solid modeling operations

Was anders ist

Lacks native DWG import/export; relies on DXF or ODA converters
2D drafting workflow is less mature and intuitive than AutoCAD
No official commercial support or guaranteed SLA
Interface is more complex for simple 2D tasks due to parametric focus

Ihre AutoCAD-Dateien öffnen

FreeCAD does not natively support the proprietary DWG format. You can import and export DXF files, which is a common workaround, but complex 2D drawings may lose layers or attributes during conversion. For 3D data, FreeCAD handles STEP, IGES, and STL well. If you must exchange DWG files, you will likely need a third-party converter like ODA File Converter or LibreCAD as an intermediary.

Von AutoCAD zu FreeCAD wechseln – Schritt für Schritt

Install FreeCAD via your package manager or Flatpak
Convert existing DWG files to DXF using a converter tool
Import DXF files into FreeCAD and verify layer integrity
Rebuild critical 2D sketches using the Sketcher workbench for constraints
Set up a Python script to automate repetitive drawing tasks

Wichtige Funktionen von FreeCAD

Parametrisches Modellieren mit Historienbaum
Unterstützung für STEP, IGES, STL, DXF, OBJ, IFC, SVG
Integrierter 2D‑Sketcher mit Einschränkungen
Python‑Scripting für Automatisierung
Arbeitsbänke für FEA, BIM, CAM, Robotersimulation
Add‑Ons und Makros aus der Community
Cross‑Platform‑Installation über Flatpak, AUR, Debian, OpenSUSE

FreeCAD unter Linux installieren

Flatpak (Flathub)flatpak install flathub org.freecad.FreeCAD

Debiansudo apt install freecad

Arch / Manjarosudo pacman -S freecad

openSUSEsudo zypper install FreeCAD

Häufige Fragen

Can FreeCAD open DWG files directly?

No, FreeCAD does not natively support DWG. You must convert DWG to DXF first using an external tool before importing into FreeCAD.

Is FreeCAD good for 2D architectural drafting?

It is possible but not ideal. The 2D workflow is less streamlined than AutoCAD. For pure 2D drafting, LibreCAD or QCAD might be better suited.

Does FreeCAD have a parametric history tree?

Yes, FreeCAD is fully parametric. You can modify earlier steps in the design history, and the model updates automatically, which is a key advantage over non-parametric CAD.