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Unbreakable parametric models for exploring design variants with manufacturing constraints and performance requirements built in.
QCad is a free, open-source 2D CAD application for creating technical drawings.

QCad is a free and open-source computer-aided design (CAD) software application that specializes in two-dimensional (2D) drafting. It allows users to create technical drawings for various purposes, including architectural plans, interior designs, mechanical parts, schematics, and diagrams. QCad is designed with modularity and portability in mind and boasts an intuitive user interface, making it accessible to both beginners and experienced CAD users. The software is cross-platform, running on Windows, macOS, and Linux operating systems. Key features include layers, blocks, a library of CAD parts, support for various fonts and units, and robust scripting capabilities using ECMAScript (JavaScript). QCad also provides command-line tools for tasks such as converting DWG files to PDF or SVG formats. QCad is an ideal choice for those seeking a cost-effective and versatile 2D CAD solution.
QCad is a free and open-source computer-aided design (CAD) software application that specializes in two-dimensional (2D) drafting.
Explore all tools that specialize in creating architectural plans. This domain focus ensures QCad delivers optimized results for this specific requirement.
Explore all tools that specialize in designing mechanical parts. This domain focus ensures QCad delivers optimized results for this specific requirement.
Explore all tools that specialize in drafting schematics and diagrams. This domain focus ensures QCad delivers optimized results for this specific requirement.
Explore all tools that specialize in generating technical drawings. This domain focus ensures QCad delivers optimized results for this specific requirement.
Explore all tools that specialize in modifying existing cad drawings. This domain focus ensures QCad delivers optimized results for this specific requirement.
Explore all tools that specialize in printing drawings to scale. This domain focus ensures QCad delivers optimized results for this specific requirement.
Provides a library of over 4800 CAD parts that can be easily inserted into drawings. Parts are organized by category and can be customized.
Offers a complete and powerful ECMAScript interface for automating tasks and creating custom tools. Allows users to extend the functionality of QCad through scripts.
Includes command-line tools for batch processing and converting drawings between formats (e.g., dwg2pdf, dwg2svg, dwg2bmp).
Allows users to export drawings in G-Code format for use with CNC machines. Requires the QCAD/CAM extension.
Provides nesting capabilities for optimizing material usage during manufacturing. Requires the QCAD/CAM extension.
Download the QCad installer from the official website (https://www.qcad.org).
Choose the appropriate installer for your operating system (Windows, macOS, or Linux).
Run the installer and follow the on-screen instructions to install QCad.
Launch QCad after the installation is complete.
Explore the user interface, including the menu bar, toolbars, and drawing area.
Consult the reference manual or video tutorials for guidance on using specific tools and features.
Start a new drawing and experiment with basic drawing tools like lines, arcs, and circles.
All Set
Ready to go
Verified feedback from other users.
"QCad is generally well-regarded as a user-friendly and capable 2D CAD solution, especially appreciated for its open-source nature and cross-platform compatibility."
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