Three-dimensional printing of complex structures: man made or toward nature?

Area of Science:

• Materials Science
• Manufacturing Engineering
• Biomimetics

Background:

• Conventional manufacturing limits complex structure fabrication.
• Three-dimensional (3D) printing offers advanced capabilities for multifunctional materials.
• Significant progress has been made in 3D printing materials and techniques.

Purpose of the Study:

• To outline recent advancements in 3D printing materials and manufacturing.
• To propose future challenges and opportunities in 3D printing functional materials.
• To highlight the importance of smart design and biomimicry in engineered systems.

Main Methods:

• Review of current three-dimensional (3D) printing techniques.
• Analysis of progress in functional materials and manufacturing processes.
• Exploration of design principles inspired by natural structures.

Main Results:

• 3D printing allows fabrication of complex, multifunctional structures beyond conventional manufacturing.
• Future 3D printing success depends on multifunctional materials, advanced printing techniques, and intelligent system design.
• Biomimicry offers a pathway for developing novel engineered structures.

Conclusions:

• The integration of advanced materials, additive manufacturing, and creative design is crucial for future 3D printing.
• Learning from natural structures can inspire innovative engineered solutions.
• Interdisciplinary understanding among engineers in materials, manufacturing, and design is essential.