Short answer

When designing for impact absorption using lattice structures, consider employing multilayered configurations to maximize energy absorption efficiency for a given mass.

Field
Commercial Production
Source
Materials Today Communications (2025)
Method
Experimental testing and Finite Element (FE) modeling
Evidence
Strong effect

By strategically layering 3D printed tetra-chiral lattice structures, designers can significantly enhance their energy absorption capabilities for a given mass. This commercial production research insight is drawn from a 2025 study published in Materials Today Communications. Using Experimental testing and finite element (fe) modeling, researchers explored how this design variable affects real-world outcomes. The key design takeaway: When designing for impact absorption using lattice structures, consider employing multilayered configurations to maximize energy absorption efficiency for a given mass.

Study
Commercial ProductionNew This WeekStrong effect

Layered 3D printed lattices boost energy absorption by up to 149%

By strategically layering 3D printed tetra-chiral lattice structures, designers can significantly enhance their energy absorption capabilities for a given mass.

Materials Today Communications · 2025

01

Key Findings

  • 01Layered tetra-chiral lattices exhibit length scale-dependent material properties.
  • 02Bi-layered and multi-layered tetra-chiral structures show significantly enhanced energy absorption compared to single-layered structures of the same mass.
  • 03Energy absorption can increase by up to 114% for bi-layered and 149% for multi-layered structures.
02

Application

Design takeaway

When designing for impact absorption using lattice structures, consider employing multilayered configurations to maximize energy absorption efficiency for a given mass.

How to apply

When designing components that need to absorb impact, such as helmets, protective padding, or packaging for fragile goods, explore the use of multilayered lattice designs. Use simulation tools to predict and optimize the layering strategy for the desired energy absorption characteristics.

Project actions

  • 01Consider using layered designs for any project involving impact absorption.
  • 02If using lattice structures, investigate how different layering strategies affect performance through prototyping and testing.
03

Method & Evidence

AimHow does the layering of 3D printed tetra-chiral lattices influence their energy absorption and crushing behavior?
MethodExperimental testing and Finite Element (FE) modeling
ProcedureMultilayered tetra-chiral lattices were fabricated using Digital Light Processing (DLP) and then subjected to mechanical testing. The experimental data was used to inform and validate FE models, which were then used to explore a wider range of design configurations and predict their performance.
ContextAdditive manufacturing of lattice structures for impact absorption

Variables

IVNumber of layers in the tetra-chiral lattice structure.
DVEnergy absorption capacity, crushing behavior (e.g., stiffness, strength).
CVMaterial type (PlasGray photoresin), lattice architecture (tetra-chiral), overall mass/density, length scale.
04

Strengths & Limitations

Strengths

  • +Combines experimental validation with advanced FE modeling.
  • +Investigates a novel material structure (multilayered tetra-chiral lattices).
  • +Provides quantitative data on performance improvements.

Limitations

The specific material and printing technology used might not be universally applicable. Further research would be needed to confirm these findings with different materials and additive manufacturing methods.

Reliability & validity

The study's validity is supported by the combination of experimental data and FE modeling, where the model was calibrated against experimental results. Reliability would depend on the consistency of the fabrication process and the number of repetitions in experimental testing.

Think critically

How might the increased complexity of manufacturing multilayered structures impact their cost-effectiveness and scalability in commercial production?

05

Design Principles

"Optimize energy absorption in lattice structures through controlled layering."

This research offers a pathway to create lighter yet more robust components for impact absorption in products like protective gear, vehicle interiors, or packaging. Understanding how layering affects mechanical performance allows for more efficient material use and tailored performance characteristics.

06

What This Means for Your Design

Making 3D printed lattice structures in layers, instead of just one solid piece, makes them much better at soaking up impacts, up to 149% better for the same amount of material.

How to use in your project

  • 1.Reference this study when exploring material properties and performance enhancements for 3D printed components, especially in impact-related applications.
07

Add to My Project

08

Quick Cite

Paragraph starter

Research indicates that multilayered 3D printed tetra-chiral lattices can significantly enhance energy absorption by up to 149% compared to single-layered structures of equivalent mass. This suggests that strategic layering is a powerful design tool for optimizing impact performance in additive manufacturing.

09

Source

Materials Today Communications

Tailorable deformation and crushing behavior of 3D printed multilayered tetra-chiral lattices: Experiments and finite element modeling

journal · 2025

View source

Questions About This Research

What does the research say about layered 3d printed lattices boost energy absorption by up to 149%?
When designing for impact absorption using lattice structures, consider employing multilayered configurations to maximize energy absorption efficiency for a given mass. Evidence: Materials Today Communications (2025).
Why does "Layered 3D printed lattices boost energy absorption by up to 149%" matter for design?
This research offers a pathway to create lighter yet more robust components for impact absorption in products like protective gear, vehicle interiors, or packaging. Understanding how layering affects mechanical performance allows for more efficient material use and tailored performance characteristics.
How can designers apply this research?
When designing for impact absorption using lattice structures, consider employing multilayered configurations to maximize energy absorption efficiency for a given mass.
What were the main findings?
Layered tetra-chiral lattices exhibit length scale-dependent material properties.. Bi-layered and multi-layered tetra-chiral structures show significantly enhanced energy absorption compared to single-layered structures of the same mass.. Energy absorption can increase by up to 114% for bi-layered and 149% for multi-layered structures.
What research method was used?
Experimental testing and Finite Element (FE) modeling.
How strong is the evidence?
Evidence strength is rated Strong effect, based on a 2025 journal from Materials Today Communications.
What should I do differently in my next project?
When designing components that need to absorb impact, such as helmets, protective padding, or packaging for fragile goods, explore the use of multilayered lattice designs. Use simulation tools to predict and optimize the layering strategy for the desired energy absorption characteristics.
What are the limitations?
The study focused on a specific material (PlasGray photoresin) and fabrication method (DLP). Results may vary with different materials and manufacturing processes. The scope of architectural parameter tuning in FE simulations was also limited.