CAD Libraries

Design Repositories to Accelerate Your Procurement Process

If you're looking for open-source CAD drawings you can use for your rapid and additive manufacturing prototypes or projects, these sites may provide what you need.

Design Consulting

If you need support in designing a new product, 3Diligent offers design consulting services. Just email us at

CAD Libraries

The repositories listed below provide designers access to pre-built CAD files.

3D Content Central

CAD Designer community website with over a million CAD designers offering free 3D and 2D CAD Models of User-Contributed and Supplier-Certified parts.


Trace Parts

Another useful website that gives you access to more than 100 million 3D Models and 2D CAD Designs for free.



Maker community website with a range of guaranteed 3D printable objects.



A large repository of designs, especially consumer products.


Shopsight Blog

3Diligent Honored as One of the 15 Most Promising Industry 4.0 Startups

We are very excited to announce that 3Diligent was recently honored as one of the most promising Industry 4.0

Big Changes Afoot at 3Diligent Including a New Major Team Member

The new year always brings changes and, at 3Diligent, we are no exception to that rule. It is with great excitement we share some big changes at 3Diligent; which will fundamentally enhance and expand your experience with our manufacturing platform.

Coronavirus 3Diligent Response to PPE Shortage

Free Use of new Shopsight software, Channeling of Medical Requests through ProdEX, Forming of PPE Design Consortium As you