Thingiverse is probably the most popular between virtual 3D models warehouses in the 3D printing community. The site is dedicated to sharing digital design files created by users themselves.
This site from time to time offers challenges, real competitions of creativity on the proposed topic. Most of the time the first prize is a Makerbot printer from the Replicator line.
3D FILE MARKET
3dfilemarket is a new and growing virtual models warehouses. What makes this site unique is the fact that all 3D models have been verified and can be printed in 3D. You can download all the models without having to register but you must provide your email address to access the 3D models. http://3dfilemarket.com/
3DShook is a virtual warehouse of ready-to-print templates with an exclusive collection of 1000 files. The collection spans over forty categories and is growing at a rate of over 100 new models per month. 3DShook offers useful, efficient and tested templates for the perfect print. This site is the first in the world to offer a “Print on commission” subscription. http://www.3dshook.com/
Cults3D is a marketplace that connects 3D designers and buyers who want to print 3D objects. The models warehouses contains a mix of free and paid 3D models, some of which can only be found on this site. https://cults3d.com/
Libre 3D is a 3D printing resource site but is not limited to 3D models only. All models can be downloaded for free and there is no need to register to do so.
Shapeking is a community that provides both 3D printing beginners and advanced users with a platform for exchanging 3D models and know-how for 3D printing in general. At first glance it’s a little confusing, but when you go deeper you can appreciate its originality.
This models warehouses is an accompanying website for SketchUp 3D modeling software. Users can upload, download and share three-dimensional models in SketchUp’s native .skp format* and more recently in SketchUp’s native .stl format.
TurboSquid handles many formats: .stl, .max, obj, .fbx, .dxf, .blend, .3ds.
With over 300,000 3D models available for download, TurboSquid is one of primary source of 3D models on the web. However, most of the models are not in stl file format and, therefore, are not suitable for 3D printing and need to be converted and possibly corrected to be printed successfully.
YouMagine is a virtual 3D model warehouse created by Ultimaker. With only a few hundred virtual warehouse models it is still small, but is growing every day and contains some unique and interesting 3D models.
Dremel idea builder is the database of 3d models warehouses of the printer of the famous brand of tools. The models present are mostly aimed at a young audience.
NASA itself provides some 3d models: you can go from the famous landing area, to the most famous spaceships and probes that have made the history of space exploration.
Repables: Digital warehouse for 3D models, you can find many spare parts for the same printers or gadgets for consumer electronics tools in this models warehouses . http://repables.com/
Sketchfab is a large database with many high quality 3D models, but these models are more oriented to gaming and cinema rather than 3d printing. However, there is still a lot of printable material. https://sketchfab.com/
XYZ PRINTING 3D GALLERY
xyz printing 3d gallery: Gallery of 3D models of the famous Da Vinci printers, very interesting the tools section, with really nice objects.
Zortrax library is the database of Zortrax printers, there are many models, some of which are unique. http://library.zortrax.com/
123d also has a virtual 3D warehouse for models made with one of 123d’s programs, including also catch, Autodesk’s scanner application. However, premium subscription is required for commercial use of 3D models. The models are very varied, ranging from puppets to 3D scans of fossils and many faces, but they are all of excellent visual quality.
Gambody is a site where you can download models of computer games in STL format. Incredibly detailed and absolutely error-free these 3D models are optimized for all types of printing. Obviously this precision pays off, in fact there are no free models inside these 3d warehouses.
GrabCAD offers various free CAD drawings, but these are functional and non-artistic drawings. In fact, GrabCAD is a community where engineers (especially electronics and mechanics) can upload and download technical models from a free CAD library. This models warehouses is about 1,500,000 open source models.
The Forge is the realm of fun: fortifications, accessories, also contains many toys, useful items, and extravagant fantasy miniatures. http://forge.zheng3.com/
Stl hive is the realm of dynamic 3D printing, a must for those interested in creating 3D prints of drones, remote controlled cars and dynamic modeling in general.
If you are always looking for some new project also read the article on the STL search engines or if you do not need the projects of others because you create your own try to make them pay! Now we talk about 3D model stores.
CGTrader is a 3D model market with a strong design community. In addition to free and paid 3D printable models, the market offers the possibility to request a custom design and interact with designers directly on the site.
MyMiniFactory.com offers a wide range of downloadable 3D printable objects. Each item is original, unique, has been tested in print and comes with a manual explaining how to get the best print, many items are free.
You can insert this code to buy a model with 5% of discount: MMFITALIA3DP
Threeding has many types of files:* .stl, *.VRML * .wrl, * .PLY, * .3ds, * .zpr.
It is a real market where both individuals and companies can freely buy, sell or exchange 3D models suitable for 3D printing.
Redpah is an archive of 3D print files designed to help buyers find the best files and in this step the designers earn their share. The digital warehouse currently contains a mix of 500 free and paid models.
Pinshape is a market for next-gen 3D projects. They are focused on making 3D printing easy, accessible and fun by allowing talented designers to sell or share their work and helping buyers download and print models themselves without any effort.
Maker Shop is a database of 3D models for the entrepreneur designer. The warehouse offers a mixture of free and paid designs. Using innovative monetization techniques such as donations, pay per print or funding, designers are able to generate income from their works. In turn, site users have access to some unique 3D models.
Trinpy is a 3D print content platform with a focus on models that are specifically designed for 3D desktop printers. In fact, all designs have already been printed to determine their suitability and each model is classified by beginner, intermediate to expert to make life easier for users.
3d Export is a real shop where you can sell and buy models, however there are some free models. https://3dexport.com/
3DAGOGO is another shop, where you can also find some free models, is part of the astroprint family, and the models inside are designed specifically for 3D printing.