Curated list of the best free CAD tools that hobbyists can use for 2‑D drafting, 3‑D modeling, and rapid prototyping without a commercial license.
Get targeted exposure with custom position pinning and highlighted placement.
Open‑source parametric 3‑D modeler with a modular architecture; great for mechanical parts, assemblies, and sheet metal.
Web‑based version of SketchUp offering intuitive push‑pull modeling for quick 3‑D concepts and architectural sketches.
Browser‑based, beginner‑friendly 3‑D design tool with drag‑and‑drop shapes; perfect for quick prototypes and 3‑D printing.
Autodesk’s powerful cloud‑based CAD/CAM suite offered free to hobbyists, makers, and students for non‑commercial projects.
Full‑featured cloud CAD platform with parametric modeling and collaboration; free tier requires public documents.
Open‑source 3‑D creation suite; while focused on animation, it includes robust modeling, sculpting, and rendering tools for designers.
Script‑based 3‑D CAD program where models are defined by code; ideal for precise, parametric parts and generative design.
Free 2‑D CAD application for drafting mechanical drawings, floor plans, and schematics; supports DXF import/export.
Open‑source 2‑D CAD system with a clean interface; suitable for technical drawings and simple schematics.
Parametric 3‑D CAD program focused on constraint‑based modeling, assemblies, and basic CAM export.
Free 3‑D modeling tool from RS Components; offers direct editing, part libraries, and easy export for 3‑D printing.
Mature open‑source solid modeling system used by the U.S. military; supports constructive solid geometry (CSG).
Windows‑based 2‑D drafting tool with a familiar AutoCAD‑like UI; supports DWG files and basic annotation tools.
Web‑based, JavaScript‑driven parametric modeling environment; write code to generate 3‑D models directly in the browser.
Microsoft’s free Windows 10 app for simple 3‑D modeling, mesh repair, and direct printing to compatible printers.
Open‑source EDA suite that includes a PCB layout editor and a basic 3‑D viewer; useful for electronics hobbyists.
Free interior design application that lets hobbyists create 2‑D floor plans and preview them in 3‑D.