sources
STL Sources



Thingiverse
Thingiverse.com
MakerBot's Thingiverse is a thriving design community for discovering, making, and sharing 3D printable things.
Tinkercad is a free online collection of software tools that help people all over the world think, create and make.
My Mini Factory
www.myminifactory.com
Enable a decentralized ecosystem for 3D creatives that promotes creativity and freedom through our shared values.
Code 2 Creations
Patreon
www.patreon.com/code2/
Old world creation by an Italian Architect, Code2
Yeggi is a search engine for printable 3D models (only). We collect data from all 3D communities and marketplaces offering 3D models to print. We will give the best results to find 3D models on the internet - you will like it! Online since April, 2013 - first mover, most extensive index.
At Pinshape, our mission is to make 3D printing simple and fun! We strive to provide our users an easy-to-use platform that lets them explore, share and download high-quality 3D printable designs.
Cults is a marketplace that connects designers and people who want to 3D print some objects. Cults is dedicated to all owners of 3D printers who wish to make premium and original creations.
FREE 3D and 2D CAD Models of User-Contributed and Supplier-Certified Parts, Assemblies and more
The 3DShook collection spans over 42 categories and we are constantly adding new designs. So you’ll always find something new to 3D print.
Today, All3DP.com is the world’s leading 3D printing magazine with more than 2 million users per month. Aimed at both beginners and professionals, All3DP.com provides compelling content that is useful, educational, and entertaining.
Instructables was officially spun out of Squid Labs in the summer of 2006, and has gone on to grow from a modest hundreds of projects to over one hundred thousand.
3D Cab Browser
www.3dcadbrowser.com
3D CAD Browser is the online 3D Models exchange resource for computer graphic designers and CAD engineers. You can download polygonal mesh 3D Models as well as 3D CAD Solid Objects.