LAM: Everything You Need to Know

innovatiQ LiQ 5

Explore Liquid Additive Manufacturing (LAM): Understand its process, advantages, comparison with other 3D printing technologies.

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In the rapidly evolving world of 3D printing and additive manufacturing, Liquid Additive Manufacturing (LAM) has emerged as a significant technology. Offering distinct advantages and unique applications, LAM stands out in the field originally dominated by its parent technology, Material Extrusion (MEX). This comprehensive guide delves into the intricacies of LAM, compares it with other 3D printing technologies such as FFF (Fused Filament Fabrication), FDM (Fused Deposition Modeling), FGF (Fused Granulate Fabrication), CEM (Composite Extrusion Modeling), and GDP (Gel Dispensing Printing), and provides a balanced view of its pros and cons.

Understanding LAM (Liquid Additive Manufacturing)

Overview of LAM

Liquid Additive Manufacturing (LAM) is a 3D printing process that involves the extrusion of liquid or semi-liquid materials. Unlike traditional 3D printing techniques that use solid filaments or powders, LAM works with materials that are in a fluid state, offering unique advantages in terms of material properties and manufacturing capabilities.

How LAM Works

The process of LAM involves the precise deposition of liquid materials layer by layer. These materials are typically thermosetting polymers that solidify upon exposure to certain conditions such as light, temperature, or chemical catalysts. The precision and control over the material properties make LAM suitable for a wide range of applications, from flexible components to intricate designs.

Comparing LAM with Other 3D Printing Technologies

LAM vs. MEX (Material Extrusion)

MEX, the parent technology of LAM, primarily uses solid materials like thermoplastic filaments. LAM, on the other hand, introduces the capability to work with liquids, offering greater versatility in terms of material characteristics and applications.


FFF (Fused Filament Fabrication) and FDM (Fused Deposition Modeling) are perhaps the most well-known 3D printing technologies. These methods use solid filaments, which limits the range of achievable material properties compared to the liquid materials used in LAM.

LAM vs. FGF (Fused Granulate Fabrication)

FGF operates by melting granulated plastic material for layer deposition. While FGF allows for the use of recycled materials, LAM offers superior capabilities in printing with liquid or gel-like substances, enabling more diverse applications.

LAM vs. CEM (Composite Extrusion Modeling)

CEM focuses on the extrusion of composite materials. LAM can complement CEM by providing the option to incorporate liquid-based components, broadening the scope of material properties and functionalities.

LAM vs. GDP (Gel Dispensing Printing)

GDP specializes in dispensing gel-like substances. While GDP and LAM share similarities in using semi-fluid materials, LAM typically offers better control and precision in the deposition of liquids.

innovatiQ LiQ 320 LAM 3D printer
innovatiQ LiQ 320 LAM 3D printer

Pros and Cons of LAM

Advantages of LAM

  1. Versatility in Materials: LAM’s use of liquids allows for a broader range of material properties, from flexible to highly viscous substances.
  2. Precision and Control: The ability to precisely deposit liquid materials lends itself to intricate designs and complex geometries.
  3. Material Properties: LAM is ideal for creating parts with unique material properties, like varying degrees of flexibility or transparency.

Disadvantages of LAM

  1. Material Limitations: The range of materials suitable for LAM is currently more limited compared to traditional filament-based technologies.
  2. Cost and Accessibility: LAM equipment and materials can be more expensive and less accessible than those used in more established 3D printing methods.
  3. Post-Processing Requirements: Some LAM processes may require additional steps like curing or drying, adding to the overall production time.


Liquid Additive Manufacturing represents a significant leap in the capabilities of 3D printing technologies. By understanding its place alongside other methods like MEX, FFF, FDM, FGF, CEM, and GDP, manufacturers and designers can better leverage its unique advantages for innovative applications.


What makes LAM different from FDM? LAM uses liquid materials offering greater versatility in material properties, unlike FDM’s solid filament approach.

Is LAM more expensive than traditional 3D printing methods? Yes, LAM can be more costly due to specialized equipment and materials.

Can LAM print flexible materials? Yes, LAM is particularly well-suited for printing with flexible and semi-fluid materials.

Are there limitations to the materials used in LAM? LAM is currently limited to a narrower range of materials, primarily focusing on liquid or gel-like substances.

Is post-processing required in LAM? Yes, some LAM processes may require post-processing like curing or drying.

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