Are you looking for free CAD models to use in your design projects? Look no further! Here are the top 5 websites where you can find a wide variety of CAD models for free.

1. GrabCAD

GrabCAD is a community of mechanical engineers and CAD professionals who share their CAD models for free. With over 4 million members, GrabCAD offers a vast library of CAD models in various formats, including SolidWorks, AutoCAD, and more.

2. Thingiverse

Thingiverse is a platform for sharing digital design files, including CAD models. It has a large community of designers who share their creations for free. You can find CAD models for 3D printing, engineering projects, and more on Thingiverse.

3. Free3D

Free3D is a website that offers a collection of high-quality, professionally-created CAD models for free. The models are available in various categories, including architecture, vehicles, furniture, and more. You can download the models in formats compatible with popular CAD software.

4. CADblocksfree

CADblocksfree is a resource for architects, designers, and developers who are looking for free CAD blocks and CAD models. The website offers a wide range of 2D and 3D CAD models for architecture, construction, and interior design.

5. TraceParts

TraceParts is a leading digital engineering 3D content company, offering customers progressive business solutions through powerful web-based products and services. It provides access to CAD models from leading manufacturers and suppliers for free.

Whether you are an engineer, architect, designer, or hobbyist, these websites offer a treasure trove of free CAD models that you can use in your projects. From mechanical parts to architectural elements, there's a CAD model for every need. Explore these websites and start downloading free CAD models for your design projects today!