01
Precise drafting
Start with a command.
Draw and edit with command autocomplete, object snaps and tracking. Organize your drawing with layers, blocks and external references.
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Open-source CAD · Desktop + Web
Native DWG & DXF.
One open CAD studio.
Draw in 2D, create layouts and model in 3D. Open a file from your device and save your work locally, in your browser or on your desktop.
Free · No account · No installation
- GPL-3.0 licensed
- Windows · Linux · macOS
- 21 interface languages
DWGNative editing
DWG + DXFRead and write
2D + 3DOne workspace
GPUAccelerated viewport
RustShared editing core
Drafting and documentation
From the first line to the final layout.
Commands, precise placement and drawing sheets in one workspace.
02
Documentation
Prepare complete drawing sheets.
Add text, dimensions, leaders, tolerances and tables. Arrange paper-space layouts with viewports and plot styles.
03
Open workflow
Your drawings stay yours.
Open and save native DWG and DXF files on your device. The source code is public and the tools are free to use.
Kernel-backed 3D
Build and shape solid models.
Create primitives, extrude, revolve, sweep and loft. Combine or subtract solids with Boolean operations handled by the geometry kernel.
- Orthographic and perspective views
- ACIS solid visualization
- OBJ import and mesh export
One core, two ways to work
Open in your browser or install on your desktop.
Web
Start drawing in your browser.
No account or installation. Choose a local drawing, edit it and download the result. The first launch downloads the application.
For large drawings and native integrations, use the desktop app.
Launch web appDesktop
Complete your desktop workflow.
Use file associations, thumbnails, system printing, PDF output, native plugins, scripts and headless automation.
Download the latest release Release notesFile workflows
Read and write real drawing files.
Open and save DWG and DXF directly, with save targets from R14 to R2018. Work with recovery files, meshes and property exports too.
DWGRead · Write · R14–R2018
DXFRead · Write · R14–R2018
BAK / SV$Drawing recovery
OBJ / STLMesh import and export
PDFDesktop plotting
CSVProperty extraction
Project growth
Built openly. Growing in public.
Follow the project through GitHub stars and release downloads.
Common questions
Before your first drawing.
Is Open CAD Studio free?
Yes. The project is open source and distributed under the GPL-3.0 license.
Do I need an account or installation?
No. Open the web app in a modern browser. Drawings are opened from your device and saved as local downloads.
Which desktop platforms are supported?
Packages are available for Windows, Linux and Apple Silicon macOS.
Can I use it for critical production files?
The project is under active development. Keep backups and report reproducible problems on GitHub.
Built in the open
Help shape Open CAD Studio.
Report issues, contribute code or support development.