Selective Laser Sintering (SLS)

Selective Laser Sintering (SLS) and related powder-based additive manufacturing technologies build parts by selectively fusing or binding powder materials layer by layer.

Powder-Based Printing Principle

In powder-based processes, a thin layer of powder is spread across a build platform and selectively fused or bonded according to the digital design. The surrounding unfused powder provides natural support during printing.

Depending on the system, bonding may occur through thermal sintering, chemical binding or hybrid processes.

Materials and Processing

Powder-based technologies can process polymers, composites, ceramics and metals. Material behaviour depends strongly on powder characteristics, binder chemistry and thermal management.

Post-processing steps such as depowdering, curing or sintering are often required to achieve final properties.

Applications

SLS and related technologies are used for functional parts, tooling, housings, mechanical components and complex geometries that benefit from support-free printing.

The ability to produce robust parts without support structures makes powder-based processes suitable for industrial production.

Relevance for 3Dresyns

3Dresyns develops binders and functional systems for powder-based additive manufacturing, including polymer, ceramic and hybrid applications.

Our materials are designed to enable controlled fusion, predictable behaviour and integration into validated manufacturing workflows.