▷ Discover the Different Types of 3D Printing

Anycubic blue UV resin bottle and filament spool - Mr Resin

Types of 3D Printing: Technologies, Applications and Future

3D printing has revolutionized the world of manufacturing, but... not all 3D printers print the same way! There are different types of 3D printing, each with its own advantages, materials and specific applications. If you've ever wondered which technology is best for your project, this guide is for you.

Main 3D Printing Technologies

There are several 3D printing technologies and each one uses a different method to manufacture objects layer by layer. Some are ideal for beginners, others for industrial prototypes or parts with a high level of detail.

Let's go over the most important 3D printing methods on the market:

FDM (Fused Deposition Modeling)

Anycubic Kobra 3 multicolor FDM 3D printer front view - Mr Resin

How it works and key features

The 3D printer melts a plastic filament (such as PLA or PETG) and deposits it layer by layer until the object is formed. It is the most popular type of 3D printing.

Materials used

PLA, PETG, ABS, TPU, Nylon, among others.
Discover the types of filament for 3D printers

Advantages and disadvantages

Advantages: affordable, accessible, ideal for functional parts or prototypes.
Disadvantages: lower resolution and surface finish than other techniques.

SLA (Stereolithography)

Resin printer pulling a part off the build plate timelapse fast - Mr Resin

Printing process and features

Uses photocurable liquid resin that solidifies with ultraviolet light (typically laser or LCD screen). It allows for spectacular precision.

Types of resins used

Standard resins, high-strength resins, castable, flexible, or high-definition resins. See resin for 3D printers

Common applications

Miniatures, jewelry, dental parts, detailed models, molds and visual prototypes. It is one of the 3D printing techniques preferred by those seeking detail.

SLS (Selective Laser Sintering)

Part printed with SLS selective laser sintering technology - Mr Resin

Process description and compatible materials

A laser sinters (fuses) powder material (generally plastic) layer by layer. It does not require support structures.

Benefits and limitations

Advantages: strong and detailed parts, without support.
Disadvantages: expensive equipment and a more complex working environment. More commonly used in industry.

Other relevant technologies

Diagrama explicativo de como funciona la impresion 3D DLP - Mr Resin

PolyJet, DLP, EBM, etc.

  • DLP: Similar to SLA but uses a projector instead of a laser. Faster.

  • PolyJet: Sprays layers of resin that are cured with UV light. Allows printing in multiple materials and colors.

  • EBM: (Electron Beam Melting) Uses electron beams to melt metal. For highly advanced industrial use.

These 3D printing techniques are gaining popularity in sectors such as medicine, aerospace, and jewelry.

Conclusion: What type of 3D printing should you choose?

There is no single answer. It depends on your goal:

  • FDM: perfect for beginners, functionality, and low cost.
  • SLA: ideal for fine details and precise models.
  • SLS: robustness and geometric freedom without supports.
  • Others: if you need special finishes, colors, or metals.

Browse the 3D printing materials, choose your technology and...

✨¡Happy Printing! 🚀