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Stl files to 3d print


2022's Top 10 Sites For Free 3D Printing STL Files

by 3devo on Mar 17, 2022 11:34:00 AM

Have you decided to take the jump and buy a 3D printer? Or maybe you’ve been considering, and are looking for more details as to how it can benefit you?

Well, there comes a time where you have all the knowledge and resources for your 3D-printing activities, but no time when it comes to designing or redesigning your STL models. Luckily, you can download free STL files from a variety of great sites. Most are free while others offer their work for a price. Some even have the option to order the model to be printed and then get it sent straight to you!

The best part about these STL file downloads would be the sheer variety available as 3D-printing has gone mainstream. Below is a list featuring some great sites that we use to find free STL models. Enjoy!

 

Our Top 10 Free STL File Sites

10.  Sketchfab

Set up in 2012 to build up a community-based 3D model online repository, this French-based site has grown to offer both free and paid downloads. It was among the first to offer models created with any of the major 3D creation tools, further supporting VR and AR on compatible hardware. This site is easy to navigate using the search feature and to better navigate through the sheer volume of STL files available, they have been grouped into convenient categories. Be warned that you may end up spending more time at this Sketchfab site than you may have planned to as there are just too many choices offered.

 

9. GrabCAD

GrabCAD is not your typical place to just download free STL files for 3D printing. It has many CAD models, many of which are also available in STL format. You can download 3D models in other formats and also try to convert them into STL files for 3D printing, but you may experience trouble with more complex ones. The Resource area is great, giving you access to tutorials, case studies, and even helpful e-books. It also features the useful GrabCAD Workbench tool. It’s a very popular site with many interesting models and resources available so do check the website out soon.

 

8. SketchUp’s 3D Warehouse

Once owned by Google, SketchUP 3D Warehouse is the go-to place for all your 3D model needs. Laying claim to being one of the largest 3D model online depositories, with over 4 million free downloads available, this site is easy to navigate using the search feature. To better navigate through the sheer volume of STL files available, they have been grouped into convenient categories. The site has also just released a handy feature that gives users the option to have the SketchUp models they upload automatically converted to STL. Be warned that you may end up spending more time at SketchUp’s site than you may have planned to as there are just too many choices offered.

 

 

 

7. Thingiverse

Operated by the popular Makerbot, one of the leaders in 3D printers, Thingiverse provides access to a huge variety of 3D models as well as a knowledgeable community. You can find many 3D models that you can download for free in STL format, and new models are added daily. The only drawback, though, is not all the models are available as STL files format, therefore not fully optimized for 3D printing (some editing may be needed). This doesn’t happen often, though, and the site is definitely worth a visit.

 

6. My Mini Factory

Don’t be put off by this pages clean UI and high prices on the homepage. The site is managed by iMakr, so you don’t have to worry about the lack of quality models that the site has to offer. All the objects are curated, meaning that “every object uploaded on MyMiniFactory has been test-printed on desktop 3D printers. ” Simply type “free” in the search box and you’ll get instant access to some rather impressive designs. Still going strong since its 2013 launch, MyMiniFactory aims to be the YouTube of 3D files.

 

5. 3DFindIT.com

3DfindIT.com is the next dimension visual search engine that crawls billions of 3D CAD & BIM models from hundreds of manufacturer catalogs for architecture, mechanical and electrical engineering. The platform allows users to search for digital engineering data provided by manufacturers worldwide. 3DfindIT.com reduces search times and increases efficiency in engineering and construction with intuitive search functions:

  • Parametric Text Search
  • 3D Shape Search
  • 2D Sketch Search
  • 2D Photo Search
  • Color Search
  • Feature/Topology Search
  • Search by Category

The download and use of this CAD data is free of charge.  Many catalogs offer 150+ different neutraland native formats such as Autodesk Revit, Autodesk Inventor, SOLIDWORKS, and more!

 

4. Free3D

Being one of the smaller repositories, Free3D by TurboSquid has both free and paid models. It offers models created by various 3D software but the downloads aren’t in STL format and need to be converted before usage. Multiple language options make for easier navigation and searches. As one of the newer community-focused sites, while also aiming to grow into a marketplace, Free3D has some great potential.

3. Pinshape

While this is technically a marketplace, Pinshape is a thriving community which make available quirkier models that range from Star Wars-inspired miniatures to jewelry. The free models are displayed along with clearly-marked paid pieces, so you can easily distinguish them or you can simply spend hours browsing and admiring the creativity which went into all these pieces.

2. NIH 3D Print Exchange

This United States government agency for biomedical and public health research offers scientifically accurate or medically applicable models for download. The STL file collections include face shields and low-cost prosthetics, plus models of various human organs for education and research purposes. Especially interesting are the DNA molecules and virus models, so you can get a closer look at these microscopic objects.

1. NASA

While this site may have the least number of 3D models available, it more than makes up in quality as STL files made available for free lets you fabricate landmark objects in the history of space exploration – like the Apollo 11 landing site, the Curiosity Rover or the Hubble Space Telescope. What makes this site really cool is that you also get to download models of spacesuits and rockets which had been deployed by America’s National Aeronautics and Space Administration.

 

Endless Possibilities with STL Files

We really appreciate that there are sites like these where you don’t have to spend large amounts of money to try out your much-loved hobby. Even though not all of these STL files are designed for 3D printers, some editing can make them suitable for your printer.

If you are unsure on the correct method of doing this conversion, we recommend you first do some research on some 3D-printing blogs before you start. It will save you a lot of time as well as money in the end.

How to Make Your First 3D Print: From STL to Printed Model

(Image credit: Tom's Hardware)

Preparing your first 3D model for 3D printing can be a daunting experience. Fortunately, you don’t need to design your own model as there are thousands of great designs available for free as STL files on sites such as Thingiverse.  However, once you’ve chosen a model that you want to print, you still need to follow a few steps to turn that STL file in physical print.  

Below, we’ll show you how to print a typical STL file on a typical FDM printer, though no matter what device you use, the basic steps should be similar. If you’re never 3D printed before, this is a great way to get started. 

Here’s what you need to 3D Print 

  • 3D Printer: We’re using the Creality Ender 3 Pro, a solid entry-level 3D printer. However, other filament-based (aka FDM) printers should work similarly. If you need to choose, see our list of best 3D printers.
  • Filament: PLA is one of the most commonly used materials on the Ender 3, and in this article we’ll be using Begonova branded material.
  • 3D Model: The 3D Benchy is an ideal first print for your 3D printer; it offers a calibration test and is a fun model in a single print. However you can also download STL files from sites such as Thingiverse.
  • Slicing Software: In order to print your model, you’ll need to convert it from a solid 3D model to a series of slices that can be printed using an app called a slicer. We’ll be using Creality Slicer for this article, but most slicing apps offer similar features and the basic principles are the same. 
  • microSD Card: The Ender 3 Pro includes an 8GB microSD card for transferring files, but some printers include a USB drive. Most sliced gcode files will be between 5MB and 15MB, so anything over 1GB should work fine. 

Getting Started 

Before we get started, you’ll need to download both your 3D model as well as the slicer software for your 3D printer. 

  1. Download the 3D Benchy model from Thingiverse, an online repository of 3D models that doesn’t require an account to download files.
  2. Download the slicer software for your 3D printer. We’ll be using Creality Slicer for the Creality Ender 3 Pro, but other common slicers include Cura, PrusaSlicer, and Simplify3D.

Picking a Model to 3D Print 

(Image credit: Thingiverse. com)

The 3D Benchy model by CreativeTools is a great first print that will help you dial in the settings on your 3D printer and also leave you with a fun tugboat model to show off! The Benchy model typically prints in about an hour and a half, and many of the features and details of the model can be used to identify and diagnose any mechanical issues on your printer such as loose belts, inadequate part cooling, and Z-offset calibration.  However, these instructions should work for other STL files you find on Thingiverse, including Plunderbuss Pete, Aquaticus the Water Dragon and Adalinda the Singing Serpent, all of which are great models for your first 3D print.

(Image credit: Creality)

Creality Slicer accepts 3D models that use the .STL file extension, a common extension used for 3D models. Once you’ve downloaded the model, import it into Creality Slicer by opening the app and clicking File, Load Model File, and selecting the 3D Benchy model from the folder where you downloaded it. This will load the 3D model into Creality Slicer so it can be prepared for 3D printing.

Preparing the Model for 3D Printing 

Once the model has been imported into the slicer app, we can convert the .STL file into a 3D printable file. A 3D printable file contains all of the instructions needed to turn the .STL 3D model into a printed part by controlling the XYZ motors, extruder, and heating systems of the printer.

(Image credit: Creality)

Creality Slicer offers two modes for slicing .STL files: Quickprint and Full. Quickprint allows you to choose a material, profile, platform adhesion aid and also toggle support material on and off. While the Full mode offers more granular control over the print settings, we’re going to use Quickprint for this article so we can cover all the basics. Here’s what to choose on the menu:

  • Material: This is the material being used for the print. Since we’re using PLA, we’ll select ‘Common PLA’ here.
  • Profile: Selecting a profile automatically adjusts all of the settings used in making a print including layer height, print speed, travel speed, etc. While these settings are all individually adjustable in the Full mode, selecting a premade profile will get you printing quickly without much adjusting required. We’re going to use ‘Normal (0.15,mm)’, which strikes a good compromise between speed and quality. 
  • Other: The only option here is to toggle support material on and off. Because the 3D Benchy doesn’t require support material, we can leave this box unchecked.
  • Platform Adhesion: Creality Slicer can automatically generate a brim or raft to aid adhesion when using high-temperature materials that tend to warp or curl during printing. Since we’re using PLA, we won’t need to select either of these options and can leave this drop-down menu set to ‘None’.

Toggling ‘Full’ mode on will reveal more adjustable parameters. By selecting the ‘Normal’ Quickprint setting, these settings will all be populated accordingly. While we’re not going to be adjusting any of these settings, it’s worth taking a minute to better understand what they all do.  

(Image credit: Creality)

The default values in the above picture are a great place to start, but you can always adjust them in your slicer software if you want to make changes. Some of the terminology may change slightly in different slicer apps, but these settings are generally the same across most common apps.

Quality

  • Layer Height: Thicker layers will print more quickly, but they won’t capture as much detail as thinner layers. 
  • Shell Thickness: Printing a model with a thicker shell will create additional contours on the outside of the model, which can look better on sloping surfaces but will take longer to print. 
  • Enable Retraction: By enabling retraction, the printer will pull the filament back into the nozzle when moving, preventing stringing or blobbing between travel moves. Too much retraction and the filament may be damaged by the drive gear, too little and the material may ooze during printing. Dialing in retraction can be a time-consuming process, and it may not be needed depending on the type of 3D printer you’re using. 

Fill

  • Bottom/Top Thickness: Adding additional layers to the top and bottom of the print can help to hide the internal fill pattern, but will also take longer to print.
  • Fill Density: Also known as infill, this setting controls the amount of material printed inside the model. Adding infill can make a part stronger, but will take longer to print. The default setting of 15% is a good starting value if you’re looking to experiment.

Speed and Temperature 

  • Print Speed (mm/s): Increasing your print speed will lead to faster prints, but the overall quality of the model can suffer if this is increased too much.
  • Printing Temperature: Most PLA material will extrude at 200C, but sometimes you may want to increase or decrease this value for best results. Too hot and the heat will creep up the filament and cause it to soften and deform, too cold and the material won’t have time to get up to temperature and extrude through the nozzle.
  • Bed Temperature: When using a heated bed, enabling this setting will help the material stick to the bed without curling or warping during printing. Similar to the case with the nozzle temperature, setting this too low won’t provide any specific benefit but setting it too high may cause the filament to soften and deform on the lower layers.

Support 

  • Support Type: The three settings in this dropdown menu are None, Touching Build Plate, and Everywhere. None will print a model without generating any support material, Touching Build Plate will only generate support material that originates on the build plate (for instance, an upright letter T would be supported fully, but an upright letter E would not), and Everywhere will create support material everywhere on the print.
  • Platform Adhesion Type: Selecting None will print the model flat on the build plate, Brim will add a few toolpaths of material around the base of the model to help keep it from curling, and Raft will add several layers of material under the model to compensate for an uneven platform.

Filament 

  • Diameter: PLA filament is typically sold with a 1.75mm diameter, so this setting shouldn’t be changed unless you are using non-standard material. 
  • Flow: This setting adjusts how much material is fed through the extruder, and typically shouldn’t be changed unless your printer hasn’t been calibrated correctly.

Machine

  • Nozzle Size: The Creality Ender 3 Pro (and most desktop 3D printers) ship with a .4mm nozzle, so this setting shouldn’t be changed unless you have swapped out the nozzle for a smaller or larger one.  

Checking the Toolpath for 3D Printing 

You can see the difference in the three Quickprint profiles in the above pictures (Fast, Normal, and High Quality). A quick way to spot the difference is by looking at the roof of the Benchy, where the number of layers increases with each jump in quality. Thinner layers will capture more detail but the overall print time will increase as well. The Normal setting strikes a compromise between speed and quality, so that’s the setting we’ll choose.  

(Image credit: Creality)

After you’ve chosen the settings for your model, the slicer software will generate a toolpath (instructions for the printer’s movement system) for your model. We can see this toolpath by selecting ‘Toolpath’ in the dropdown menu under the ‘View Mode’ button at the top right. This is a good time to check the file before printing, and make sure there are no areas that might cause problems later. Scrolling through the layers we can see the infill and outer shell, and determine that this model is ready for printing.  

Preparing the 3D Printer 

Once the model has been sliced and is ready for export, it’s time to make sure the printer is ready to print. There are two major components to this process: loading the PLA filament into the extruder and calibrating the build platform. Loading the filament gives the printer material to complete the print, and calibrating the build platform ensures that the nozzle is perpendicular to the build plate at all points and compensates for any warp or bowing present. 

The steps here are for the Creality Ender 3 Pro, but any 3D printer with a Bowden extruder (remote drive) will use a similar process for loading filament and calibrating the build platform. 

(Image credit: Tom's Hardware)

Loading the PLA filament 

  1. Turn on your 3D printer. 
  2. Select Preheat PLA on the printer menu to bring the nozzle up to the correct temperature.
  3. Place the spool of PLA material on the spool holder, taking care not to let the material get tangled on itself.
  4. Insert the filament into the extruder by pushing on the spring-loaded lever and push the filament until you see it coming out of the nozzle.

Image 1 of 2

(Image credit: Tom's Hardware)(Image credit: Tom's Hardware)

Calibrating the Build Platform 

  1. Select Auto Home on the menu screen to automatically bring the printer to 0 on the X, Y, and Z axes. 
  2. Once the printer has run the homing routine, select Disable Steppers to allow the gantry to be moved by hand. 
  3. Slide a standard piece of printer paper between the nozzle of the printer and the build platform. 
  4. Bring the print head to the front right corner of the build platform and adjust the thumbscrew until you feel a slight resistance when moving the piece of paper between the nozzle and the build plate. 
  5. Repeat Step 4 for the front left, back left, and back right corners.
  6. Once you feel a slight resistance across the build platform, remove the piece of paper and visually verify the small gap between the nozzle and the build platform at all points on the build plate.

(Image credit: Tom's Hardware)

Printing the 3D Model 

Once the model has been sliced and the 3D printer has been prepared, the next step is export the sliced model as a .gcode file. The Creality Ender 3 Pro uses a microSD card for transferring .gcode files from your computer to the printer, and Creality Slicer will export the file directly to the card. This prepared file was 5.8MB, which fits easily on the 8GB microSD card which came with the Ender 3 Pro.  

(Image credit: Tom's Hardware)

After calibrating the build platform and making sure the filament is properly loaded, we can insert the microSD card and get the print started. The Benchy print takes about one hour and 45 minutes to print using the Normal profile, and you should be left with a fun-looking boat that doubles as a calibration test. Once printed, you can remove the Benchy by removing the flexible build plate from the Ender 3 Pro and bending it, which will allow the printed model to pop right off.  

(Image credit: Tom's Hardware)

Some things to look for on your first print are curled edges on the base of the print (which could indicate a problem with print temperature or speed), a rough looking outer surface (which could indicate a too-thin shell), or stringing between the cabin walls (which could indicate an issue with temperature or retraction). Half the fun of owning a 3D printer is making adjustments and dialing in your print quality, so now you’re well on your way to converting .STL 3D models to 3D prints. 

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Andrew Sink first used a 3D printer in 2012, and has been enthusiastically involved in the 3D printing industry ever since. Having printed everything from a scan of his own brain to a peanut butter and jelly sandwich, he continues to dive ever more deeply into the endless applications of additive technology. He is always working on new experiments, designs, and reviews and sharing his results on Tom's Hardware, YouTube, and more.

Topics

3D Printing

🔩 Best useful 3D objects you can make with a 3D printer・Cults

🔩 Best useful 3D objects you can make with a 3D printer

Download useful, practical and functional 3D models

Discover for our TOP of the best useful items for 3D printing in everyday life. Whether you want to make your life easier in the bathroom, in the kitchen, at home or at work, this list of 3D printer models has everything you need. Start life hacking right now with your 3D printer!

Pen and pencil holder

Free

GROVIE MONSTER

Free

Mechanical quick release phone stand

Free

Filament clip / Universal filament clip

Free

Mobile phone holder in socket

Free of charge

Universal phone holder _ Samsung galaxy / Xiaomi Redmi

Free

Refrigerator Storage Box Fresh Spacer

Free

FLEXI BEETLE

Free

Egg separator (kitchen)

Free

MONEY CLIPS

Free

Tripod smartphone

Free

Bag stopper

1 €

Bag Clips

Free

Switcherang: Nintendo Switch 9 Joy-Con Grip0009

Free

Headset Holder

Free

PASTE PUSHER

Free

Cable Gland for Desktop Sit-Up

Free

Clamp with hand screw

Free

Cable clip

Free

Adjustable rugged waterproof box

Free

v2 sound amplifier

Free

1.

75 mm "DAS FILAMENT" Filament Clip

Free

Cool Squeeze - fan grip

Free

Egg tray

Free

Walnut cracker [my grandmother's design].

Free

Bag Clip with Screw Cap (Modified Version2)

Free

Makeup organizer box

Free

GuitarPicks

Free

Monster Cookie Cutter

Free

3DMX / Crocmark (Bookmark)

Free

Tape dispenser

Free

Mini Vise

Free

Optimized G-Clamp

Free

Pistachio Opener

Free

Salt and Pepper Text Shakers

Free

Phone Amplifier Hex

Free

Self-aligning Gimballed drink holder

Free

Solo Finger Pen

Free

Tools tray

Free

Cable management Hive

Free

Phone Stand with Cable Routing

Free

Print in Place Allen Key Holder Inspired by Wiha

Free

DIRECT SQUEEZER

Free

Turbine Faucet Watersaver

Free

Geometric phone holder

Free

Joycon & Knuckles

Free

Miyuka Beads Sorting Box

Free

Bird lemon squeezer/MAJ

Free

Bag Clip with Screw Cap (Modified Version2)

Filament clip / Universal filament clip

Shower Head Industrial Holder

Filament clip / Universal filament clip

Here is a list of best STL files of useful and functional objects for 3D printing0219 Cults and are perfectly 3D printable .

This collection contains useful free or premium 3D models of to make your life easier. Designers from all over the world are facing the same challenges as you and have put their design skills to the service of with innovative, practical and above all 3D printable solutions!

This TOP useful 3D printable has everything you need to make your daily life more than efficient and practical . You'll find everything you need to amplify your phone's sound, clean things up, save toothpaste, repair... One of the criticisms often made about 3D printing is that creators only make useless things, this collection is - perfect example to prove otherwise. As proof, the 3D printer and 3D file sharing platform allow 3D designers from all over the world to put their skills and design ideas at the service of all.

If you print the file for home, don't forget to show us how you use it by posting a photo of the result! This will help designers better understand the impact their ideas have on the daily lives of 3D printer owners.

3D printer models

Looking for 3D printer models? The Internet is filled with sites that offer them for free. We have collected the TOP 10 catalogs that you can use to search and download free models in STL format. We hope you can find what you are looking for.

  1. Yeggi
  2. Yobi 3D
  3. STLfinder

→ myminifactory.com

My Mini Factory is a 3D model depository operated by iMakr, an online store that sells 3D printers and accessories. It also has one of the biggest 3D printer shops in Central London. The site contains 3D models designed by professionals, and all models stored on it are checked for quality. You can also make a request for the desired model, which their designers will create and put in the public domain. Billing itself as a 3D printing social network, MyMiniFactory is a thriving community of makers who love to showcase their creations. Users vote for the best models, which allows popular creations to rise to the top of the list and gain popularity. The site presents models that are stored on its social network, as well as outside it, for example, on the Thingiverse and YouMagine sites.

→ thingiverse.com

The most popular and famous site among 3D printer users, Thingiverse is owned by MakerBot Industries, the creator of the popular Replicator 3D printer series. The site allows users to store and share 3D model files that are used with 3D printers. It's a very popular site and has a large community of people hosting various categories of files on it. So if you're looking for "cool" printable stuff, Thingiverse is worth a visit. It is a portal designed to provide its users with ways to share their designs and to help print 3D creations. The site has a system that tries to find out what you like. The more you interact with the site, downloading and evaluating various developments, the better its recommendations will be.

→ 3dshook.com

Another online community for 3D printing hobbyists showcasing interesting 3D printer supplies, electronics and most importantly 3D models. The site contains many very interesting models of cars and buildings, as well as various add-ons and spare parts for your 3D printer. A huge catalog of paid and free models for a 3D printer. There are original unique products. Convenient search, navigation, rubricator. 3DShook has over 40 categories and adds over 100 new models to its collection every month. On 3DShook you can always find something for your home, animals, kids or something special for yourself.

→ youmagine.com

YouMagine catalog for 3D Systems Cube series consumer 3D printers. The site mainly offers various ways to buy 3D printer supplies and files, but it also has a number of cool free items available, mostly in the Kids section. Some of these elements can be customized by children using an online application. The company offers 3D modeling and publishing tools on its website for both hobbyists and professionals. The site offers a content warehouse where the community hosts and shares models. Registration is required to download files.

→ 123dapp.com

Autodesk 123D is a suite of computer-aided design (CAD) and 3D modeling tools aimed specifically at hobbyists. Along with the toolkit, Autodesk also has a website where users can record their designs and share them with other users. Many of these models can be downloaded and printed using Autodesk as a utility to interface with the MakerBot 3D printer. The goal of the Autodesk website is to "help engineers build products faster." The site offers tools to help them collaborate on their files. For the casual 3D printing enthusiast, the best part of the site is the large library of free files created by a community of over a million engineers. Registration on the site is required, but the number of files that are then available is worth it.

→ cgtrader.com

Being primarily a place to buy and sell a wide variety of 3D models (not necessarily just those designed for 3D printers), CGTrader does offer a selection of free models that can be used on 3D printers. The site has a system that tries to find out what you like. The more you interact with the site, downloading and evaluating various developments, the body will have better recommendations.

→ cults3d.com

A French community and marketplace where developers can share or sell their creations. The site has a collection of high quality models that you can download. Users can follow the work of the designers they like and get instant updates when a new creation is posted on the site. The site's name, Cults, is a backwards spelling of St. Luc, the patron saint of artists. The site also supports English. This is a relatively new community, so the number of its users is not very large yet.

→ instructables.com

The Instructables website is a community where users can share their DIY projects. This also includes products obtained using 3D printers. The site also provides explanations and instructions describing how to build 3D elements, and some designers take the time to answer questions from site members. Instructables allows users to store and organize their 3D printing projects. This is done to help them work together in the future. You can think of this site as a GitHub 3D printing site where users can share their files, discuss projects, and participate in them. The site also offers the ability to make a request, so if you can't find what you're looking for, you can ask the site's community about it.

→ pinshape.com

Pinshape, a marketplace for 3D models, is similar in style (layout, appearance, and ability to capture likes) to the well-known site Pinterest. You can buy models from designers, or download them for printing yourself if they are offered for free. Pinshape allows users to host and share 3D model files on it. Basically, this site acts as an online store where you can buy 3D printed parts, or order your own 3D model to be printed. But if you look closely enough, you can find people who sell their products and also offer the files you need so you can print them yourself.

→ 3dfilemarket.com

A new and growing repository of 3D File Market models. All models are tested for suitability for 3D printing. You can download as many models as you like without registration, although you must provide your email address to access the 3D model files. This is a very simple site aimed at being a repository of model files for 3D printers, and nothing more. The basic design of the site allows users to put files on it for public access, and download files that they would like to use. The site contains many small, simple 3D models ready to be printed, as well as a good selection of everyday items and even spare parts for 3D printers.

Search engines for 3D models in various formats, including STL for a 3D printer. Use queries in English, these search services collect information about models from all over the Internet.

→ yeggi.com

Yeggi is a search engine that will browse major 3D printing sites to find files compatible with 3D printers.

Learn more