Free CAD Program? You Can Make Technical Drawings with OpenCAD Studio!

Platform: Windows, macOS (Apple Silicon), Linux; also browser version
Program: OpenCAD Studio 2026.40.1

When you want to make technical drawings, architectural drafts or three-dimensional modeling, you usually encounter CAD software that is expensive and takes time to learn.

So do you definitely need an expensive program to make two-dimensional technical drawings or create three-dimensional models?

OpenCAD Studio is a CAD application developed as open source and focusing on technical drawing and modeling processes.

The program draws attention especially with its ability to work with common technical drawing files such as DWG and DXF.

DWG and DXF files; It is frequently used in architectural projects, engineering drawings, machine parts and technical designs.

With OpenCAD Studio you can create lines, circles, arcs and different geometric shapes; You can edit drawings, dimension and prepare three-dimensional solid models with supported operations.

Usage areas of the program include:

• Preparing simple architectural drafts.

• Opening and examining technical drawings.

• Working on DWG and DXF files.

• Making dimensioning and drawing arrangements.

• Creating three-dimensional geometric models.

• Making changes to existing projects.

For example, you want to prepare a technical drawing of a table, a shelf or a metal part for a workshop. Using appropriate drawing tools, you can determine the dimensions and create your design digitally.

One of the important features of the program is its command-based working style. If you are used to technical drawing programs, you can operate with commands such as LINE, CIRCLE, OFFSET and TRIM. This way you don't have to navigate the menus for each vehicle.

OpenCAD Studio also has a browser version. In this way, you can try the supported operations via the web browser without installation. However, it should not be assumed that all operating system integrations in the native desktop versions work the same in the browser version.

Current version: OpenCAD Studio 2026.40.1 was released on October 5, 2026. This release includes improvements to prevent unnecessary recalculations when changing the visibility of large layers and fixes to drawing/modeling operations. Since the project is still in development, it makes sense to test its compatibility with your files before using it for critical professional work.