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September 08, 2026 - BY Admin

Design for Additive Manufacturing (DfAM): Lattice Structures, Overhangs & Support Placement

Designing for Industrial 3D Printers Instead of Machine Cutters

Additive manufacturing frees engineers from traditional machining constraints, allowing hollow internal voids and complex organic shapes. However, successful 3D printing requires following clear DfAM design rules.

Key DfAM Considerations

Designing specifically for additive manufacturing prevents build failures and reduces post-processing cleanup.

  • The 45-Degree Overhang Rule: Designing self-supporting angled faces to minimize waste and manual support removal.
  • Triply Periodic Minimal Surfaces (TPMS): Embedding gyroid lattice structures for ultra-lightweight, high-strength parts.
  • Powder Escape Channels: Providing drainage holes to remove un-sintered raw powder from internal cavities.

Master 3D printing design rules in our Certified 3D Printing Course.

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