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

Why 3D Printing Stocks Have Tanked and Why That Actually Signals Great News for the Industry

A lot has been made in the press of 3D Printing stocks – most notably Stratasys and 3D Systems

Economics of 3D Printing, Part One: A Brief History of Manufacturing

After shedding jobs for more than 10 years, our manufacturers have added about 500,000 jobs over the past three.

Economics of 3D Printing, Part Two: The 3DP Crossover Point

In our last post, we touched on the evolution of manufacturing from the days of antiquity to today.  Per its