If you want to make your own objects for fun, education, or business, you may have heard of 3D printing. 3D printers let you turn digital models into real objects using various materials and techniques. They can be a rewarding hobby and a powerful tool for innovation. However, 3D printing can feel confusing or overwhelming, especially for beginners. Whether you’re a beginner or expert, hobbyist or professional, student or teacher, this guide will introduce you to the amazing world of 3D printing.
Table of Contents
- What can I use a 3D printer to do?
- How does a 3D printer work?
- How easy is it to learn how to use a 3D printer?
- Different types of 3D printers
- How do I choose the right 3D printer for my needs?
- How much space do I need to use a 3D printer?
What can a 3D printer do?
A 3D printer is a device that can create physical objects from digital models. It works by depositing layers of material, such as plastic, metal, or resin, on top of each other, following the shape and design of the model. 3D printers can create a variety of objects, from simple shapes and figurines to complex structures and functional parts. Some examples of what you can make with a 3D printer are:
- Jewelry and accessories
- Sculptures and figurines
- Tools and custom parts
- Home decor
- Toys and games
- Educational models
- Medical devices and implants
- Customized gifts and souvenirs
The capabilities of a 3D printer are vast and varied. In the realm of prototyping, it allows designers and engineers to bring their concepts to life swiftly and efficiently. In the medical field, 3D printers are used to create custom prosthetics and anatomical models for surgical planning. For hobbyists and educators, it offers a hands-on approach to learning and creativity, enabling the production of everything from toys to educational models. The scope of what can be created is continually expanding, limited only by the imagination and the technical specifications of the printer.
The possibilities are endless, as long as you have a digital 3D model of what you want to print. You can either create your own 3D models using software or download them from online platforms and communities.
How does it work?
A 3D printer creates objects by adding material layer by layer. This process begins with a digital 3D model, which is typically designed using computer-aided design (CAD) software or obtained from a 3D scanner. The printer then translates this model into a series of thin, horizontal cross-sections—essentially, a stack of 2D images. During printing, the machine dispenses material, commonly a type of plastic or resin, through a heated nozzle and precisely lays down these materials, one layer at a time, onto a build platform. Each layer solidifies as it cools or is cured by ultraviolet light, gradually building up from the bottom to form the complete, three-dimensional object. This method allows for intricate designs and complex geometries.
What can I use a 3D printer to do?
Owning a 3D printer can be a game-changer for several reasons. It allows for unparalleled customization in creating personal or professional items. For small businesses, it offers a cost-effective way to produce prototypes or products without the need for large-scale manufacturing processes. In educational settings, it enhances learning by providing a tangible way to explore design, engineering, and technology. Additionally, for hobbyists, it opens up a new world of creativity and innovation.
Different types of 3D printers
There are two primary types of 3D printers that cater to diverse preferences and applications: Filament 3D Printers and Resin 3D Printers. These printers are distinguished by the materials they use to bring your creations to life.
Filament printers
For those seeking versatility in their 3D printing endeavors, Filament 3D printers stand out. Operating on a filament-based system, these printers melt a plastic filament layer by layer, allowing you to craft a broad range of objects. Whether you’re a hobbyist working on creative projects, a prototyper bringing concepts to life, or an enthusiast crafting functional parts, Filament 3D Printers offer a diverse range of applications. You’ll explore different models within this category, each with unique features and specifications tailored to meet your varied needs.
Resin printers
Intricacy and precision define the realm of Resin 3D printers. These printers employ a liquid resin that is cured layer by layer using ultraviolet light. Renowned for producing high-resolution prints with intricate details, these printers excel in applications such as crafting highly-detailed jewelry, sculptures, or dental models. You’ll find various Resin 3D printer models, each offering distinct capabilities and functionalities.
How easy is it to learn how to use a 3D printer?
Learning how to use a 3D printer is not very difficult, but it does require some patience and practice. To get started, you’ll need to understand the main components of a 3D printer and how they work together. This includes the extruder, which feeds filament into the machine; the nozzle, which melts and deposits the material; the print bed, where your object is created; and the filament itself.
You’ll also need to learn how to prepare 3D models for printing using slicer software, which converts your designs into instructions the printer can follow. In addition, basic troubleshooting and maintenance—such as cleaning the nozzle, levelling the bed, and replacing filament—are important skills.
Fortunately, there are many resources and tutorials available online that can help you get started and improve your 3D printing skills. You can also find online forums and groups where you can ask questions and get advice from other 3D printing users. Additionally, some 3D printers are more beginner-friendly than others, offering features such as easy setup, automatic calibration, touch screen interface, and pre-loaded models. You can choose a 3D printer that suits your level of experience and comfort.
How do I choose the right printer for my needs?
Choosing the right 3D printer for your needs depends on several factors, such as your budget, your purpose, your space, and your preferences. Here are some of the main aspects to consider when shopping for a 3D printer:
Price
3D printers can range from a few hundred to several thousand dollars, depending on the quality, features, and performance. You should set a realistic budget and look for a 3D printer that offers the best value for your money.
Size
3D printers come in different sizes, from small and compact, to large and bulky. Consider the space available in your home or office and the size of objects you want to print. The size of the 3D printer determines the size of the printing area, also known as the build volume, which limits the dimensions of your models.
Speed
3D printing can take minutes to several hours, depending on your model’s size and complexity. Consider how fast you want your printer and how long you are willing to wait for prints. Printing speed depends on nozzle diameter, layer height, temperature, and movement speed.
Resolution
3D printing resolution refers to the level of detail and smoothness of your printed objects. The higher the resolution, the finer and more accurate your prints will be. The resolution of the 3D printer is measured by the layer height, which is the thickness of each layer of material that is deposited. The lower the layer height, the higher the resolution. However, higher resolution also means longer printing time and more material consumption.
Material
3D printers can use different types of materials, such as plastic, metal, resin, wood, and more. Each material has its own properties, advantages, and disadvantages, such as strength, flexibility, durability, cost, and appearance. Consider what kind of material you want to print with, and what kind of objects you want to make. Also, check compatibility with your 3D printer, since some printers only work with certain materials or brands.
Reliability
3D printing can be a frustrating experience if your 3D printer is prone to errors, jams, clogs, or failures. You should look for a 3D printer that is reliable and consistent, and that can produce high-quality prints without much hassle. You should also check the warranty and customer service of the 3D printer; in case you need any support or repairs.
Features
3D printers can have different features that can enhance your 3D printing experience, such as dual extruders, heated beds, auto-leveling, Wi-Fi connectivity, camera monitoring, and more. You should consider what features are important to you, and what features are compatible with your 3D printer. Some features may require additional accessories or upgrades, which can increase the cost and complexity of your 3D printer.
You do not need a special computer to do 3D printing, but you do need a computer that can run the software and programs that are required for 3D printing. You will need a computer that can:
- Create or edit 3D models, using software such as Blender, SketchUp, Tinkercad, or Fusion 360.
- Slice your 3D models, using software such as Cura, Simplify3D, or Slic3r, which convert your models into instructions for the 3D printer.
The necessary specifications of your computer will depend on the complexity and size of your 3D models, and the speed and quality of your 3D printing. Generally, you will need a computer that has:
- A decent processor, such as an Intel Core i3 or higher, or an AMD Ryzen 3 or higher.
- A sufficient amount of RAM, such as 8 GB or more.
- A good graphics card, such as an NVIDIA GeForce GTX 1050 or higher, or an AMD Radeon RX 560 or higher.
- Enough storage space, such as 128 GB or more.
- A compatible operating system, such as Windows, Mac OS, or Linux.
- A reliable USB port or Wi-Fi connection, to connect to your 3D printer.
How much space do I need?
The space needed depends on your printer’s size, shape, and required accessories or tools. Generally, allocate at least 1 square metre for your printer and accessories, adjusting as needed.
How to choose a location for my printer?
Consider the following factors when selecting a spot for your 3D printer:
Measurement
The dimensions of your 3D printer, including the height, width, depth, and weight. You should measure your 3D printer and compare it with the available space in your office, making sure that it fits comfortably and securely. You should also leave some extra space around your 3D printer, to allow for ventilation, movement, and maintenance.
Power supply
Place your 3D printer near a power outlet and use a surge protector or UPS to protect it from power fluctuations. You should also check the type and length of the cable or the wireless connection that your 3D printer uses. Make sure that it reaches your computer or your network.
Noise and temperature
Place your 3D printer somewhere quiet and cool to avoid disturbing anyone or causing damage. Avoid locations near windows, fans, or air conditioners, as airflow changes can reduce print quality.
It’s important to have a dedicated space to store and organize your 3D printing supplies. This includes materials like filaments, resins, spools, and cartridges, as well as tools such as spatulas, tweezers, scissors, and cleaning supplies.
Store everything in a cool, dry, and dark place, away from direct sunlight, heat, and moisture. Proper storage helps preserve the quality of your materials and extends their lifespan. To stay organized, label and sort your supplies so they’re easy to find and ready to use when you need them.
This guide should help you get started on your 3D printing journey. It’s a fascinating and fun technology that can open up a world of possibilities for you. Additionally, if you’re considering purchasing a printer, be sure to check out our Printer Buying Guide for helpful tips. Best Buy has a variety of printers, so you can easily find one that fits your budget and needs.
Take the next step
Whether it’s your own jewelry, tools, or anything else, 3D printers can help you turn your ideas into reality. 3D printing can also help you learn new skills, express your creativity, and join a community of like-minded people. It isn’t just a hobby; it’s a tool for innovation, creativity, and empowerment
