12 Best Websites to Get Free STL Files for 3D Printing
3D printing is becoming more and more popular, and with the prices of 3D printers dropping all the time, it's easier than ever to get your own printer. But what do you do when you run out of ideas for things to print? STL files for 3D printing are a great resource for finding new designs to print. Here are 12 websites that offer STL files for free download.
What are STL files?
The STL file format was developed by 3D Systems and patented stereolithography technology in the late 1980s. STL files primarily include 3D models intended for 3D printing. Many 3D model viewers and CAD tools accept the STL format because it was one of the earliest 3D file formats used to store models for 3D printing.
STL files can be saved as binary or plain text files containing the same data but in a binary format that humans can read. When opened in a text editor, plain text STL files show up as a list of facets and vertices with coordinates. The string solid ModelName is always the first line of these files.
STL files could be created using CAD software such as SelfCAD. SelfCAD is an easy-to-use 3D modeling software that makes it easier for users to create any type of STL file. That is. Both simple and complex models. Also, if you would like to modify your existing designs, SelfCAD is a great STL editor.
There is also powerful in-built 3D rendering software that you can use to generate realistic renders of your designs easily. If you would like to 3D print your models, you can use the in-built slicer of SelfCAD to do so. It’s compatible with most FDM 3D printers and you can use it to get the Gcode that you can send to your 3D printer.
If you need to gain the expertise to create an STL file or to use CAD software, your 3D printing dreams can be fulfilled using the numerous STL file-sharing platforms on the internet.
STL file hosting platforms could be differentiated based on the pricing of the content on them. While many permit free files, some offer paid files only, and others provide both.
Here are a few choicest websites for you to find STL files.
1. Thingiverse
Thingiverse, one of the most popular free STL file sites in the world, was created by the 3D printer manufacturer Makerbot in 2008 so that users may publish their 3D printer model designs for download and printing by anybody in the world. It has a great variety of STL files that you can download for free without signing up.
These free 3D printer models are available for download, but you are also urged to upload your prints, changes, and remixes. On Thingiverse, you can print dozens of incredible 3D printer models, including STL files for holding pens and stationery, miniatures, ornamental models, and characters from video games, television shows, or movies.
2. Instructables
Instructables, a free STL file, and a general project-building website owned by Autodesk invite designers to give detailed instructions on how to put together and construct these unique projects. Instructables focus on the instructional component with a wide variety of projects, not just for 3D printing but also for electronics and other tasks. Choose an intriguing project, like their 3D printed CO2 canister rockets and launchpad, and print and assemble it in accordance with the designers' instructions. This is excellent for developing knowledge and assurance in 3D design and printing, as well as general engineering and do-it-yourself abilities. Instructables are also fantastic for families who want to construct a fun project while instructing their kids about engineering and putting things together anew.
3. GrabCAD
GrabCAD is a broad-spectrum 3D file-sharing website that appeals to everyone interested in engineering or 3D modeling, as well as 3D printing enthusiasts. The website offers files for 3D printer components that can be used to construct and alter open-source 3D printers. It also provides advanced engine designs for automobiles, appliances, planes, and other significant technical marvels. Many were created using 3D CAD software such as Fusion 360, Solidworks, or Autodesk AutoCAD and are not STL files but rather OBJ files or other forms, which are typically still suitable for 3D printing.
4. Space-Related Models From NASA
Some of the most memorable moments in the history of human spaceflight are hosted by NASA online as free STL files so that fans can print them out and enjoy them at home. Apollo landing sites, the Cassini spacecraft, numerous well-known asteroids, the Curiosity Rover, the Hubble space telescope, and many more are all available for download and printing.
NASA's free 3D printer models are an excellent and cost-free way to print all your favorite space models. They will also inspire your kids and make for a fantastic 3D printing project to paint, so you may have a little spacecraft on your desk.
5. The NIH 3D Print Exchange
Similar to NASA, the National Institutes of Health provide STL files for specific crucial free 3D printer models. These are frequently medical models, such as STL designs of biomedical research molecules, 3D printable hearts, amputee prostheses, and various face shields, which are particularly pertinent during COVID-19.
6. Cults
France-based Cults, which has uploaded STL files since 2014, currently offers over 120,000 amazing 3D printer downloads and has over 17 million monthly page visitors. You have the option to see an exact preview of the printed product with cults. A lot of designers upload images of the finished product. On occasion, they even display the model's final appearance after painting. There are additional gifs showing the model's appearance in the real world. This facilitates picturing the finished product, which is especially helpful if the model consists of several sections. Free and premium STL files can be found in cults.
7. Free3D
Free3D hosts 3D designs that include not only files for 3D printers but also generic 3D models for animation and those created in sophisticated 3D software modeling programs like Cinema 4D and Maya for particular uses. Among the items that can be downloaded from Free3D are 3D printable cars, carefully drawn gunships, and animal character designs. It also provides paid downloads for premium STL files, often under $10.
8. 3DExport
You may rapidly browse through files for characters, animation, or any other category you're interested in, thanks to the way that 3DExport divides models into clear and simple to explore categories when offering both free and premium STL files. With a wide following of customers and sellers offering fantastic 3D models for 3D printing and other uses, 3DExport is one of the first 3D file marketplaces available. You may purchase and sell your models and STL files there. It has been operating since 2004.
9. Pinshape
Pinshape is a fantastic STL file-sharing site that offers premium 3D printer files by qualified designers in addition to its many free 3D models. A wide range of well-known franchise personas, characters from tabletop games, and challenging 3D printable puzzles are available for families to enjoy creative family time.
On their featured designer page, Pinshape also features creative 3D designers. It's always worthwhile to visit this page because you never know when a particular designer will provide the ideal 3D printer files you adore.
10. MyMiniFactory
MyMiniFactory is a marketplace for STL files that draws some of the top 3D designers in the industry. It offers both free and premium 3D models you can put in your 3D slicer and print. If a website is simple to use, you can quickly find what you're searching for, whether a D&D miniature or a Pokemon chess set, if you're specifically seeking board game characters and models. MyMiniFactory provides a way for aspiring 3D designers to make some extra money. You may run your own personal store and charge others to download your STL files. In general, MyMiniFactory offers a wide selection of 3D printer models for homemakers.
11. CGTrader
A marketplace for 3D printer files with a more business-focused vision, CGTrader offers models, textures, and interiors created using specialized architecture tools. Professional designers have their own storefronts where they sell their models.
Businesses and makers can also post difficulties they are having, such as the need to have a model mended, colored, or redesigned, and designers can submit bids to work on the project. It's possible that CGTrader has the widest range of professional models. However, individuals looking for free models will prefer a website like Thingiverse.
12. Sketchfab
Many 3D printable files are available on Sketchfab, along with a sizable collection of high-quality, full-color created 3D models for animation and movies. If you register for an account, you can download these meticulously constructed, painstakingly detailed files for free.
For organizations wishing to have their designs, such as those for a product or building project, developed in 3D, Sketchfab also provides 3D visualization and design services. This provides advantages for showing your goods, especially in areas like e-commerce photographs, where you may only have a 3D model that visitors can rotate instead of having many product photos at different angles.
Conclusion
In conclusion, one does not have to know 3D design to use their 3D printer to its full potential. STL files for 3D printing can be downloaded or purchased from STL file hosting or sharing platforms. These can be modified per the user's requirements and printed using a 3D printer.
Enjoy powerful modeling, rendering, and 3D printing tools without the steep learning curve.
Need to learn 3D modeling? Get started with interactive tutorials.