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The progressive integration of lignocellulosic biomass—specifically post-harvest wood and straw residues—into additive manufacturing platforms marks a paradigm shift in sustainable design, ecological engineering, and biofabrication science. This chapter critically investigates the physicochemical attributes of wood and straw-based biomaterials, elucidating their cellulose-dominant microstructures, hierarchical porosity, and thermochemical thresholds that govern rheological behavior and printability in additive manufacturing environments. Through a comparative analysis of Fused Deposition Modeling, Binder Jetting, and Direct Ink Writing, the work examines biomass-processing compatibilities, binder-particle interactions, and multi-material layering protocols to address anisotropic challenges and extrusion variability. Embedding circularity into the design logic, this discourse foregrounds life cycle assessment, biodegradability metrics, and carbon emission deltas across diverse application verticals. Special emphasis is placed on functional deployments in smart agriculture and environmental sensing—where straw-derived sensor housings, moisture-responsive actuators, and wood-pulp probes enable precision diagnostics and adaptive control. Concurrently, the emergence of programmable bio-composites and smart surface interfaces underscores a convergence of material science, biomimicry, and AI-enabled analytics, facilitating 4D transformations and stimulus-responsive behavior in printed constructs. The chapter culminates by articulating the policy, commercialization, and scaling imperatives underpinning mainstream adoption. It proposes a bio-inspired design manifesto wherein waste valorization is reimagined as systemic innovation, and every biodegradable layer embodies regenerative intent. This work reimagines lignocellulosic additive manufacturing not just as a technical innovation, but as part of a larger, eco-conscious movement. By embedding it within a techno-ecological and transdisciplinary framework, we shift the focus from novelty to necessity—championing sustainable fabrication that respects material cycles, embraces ecological wisdom, and upholds ethical design. It’s a call to build not just smarter, but more responsibly.

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Wood and Harvested Crop Straws for 3D Printing and Greener Solutions

  • 章节

  • 发表日期：

    2026年

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  • Sanjoy K. Dhar,
  • Jaspreet Kaur,
  • Abhijeet Singh,
  • Kavya Goyal,
  • Vasantharekha Ramasamy,
  • Sonia Kumari Shishodia,
  • Gaurav Mudgal

摘要

The progressive integration of lignocellulosic biomass—specifically post-harvest wood and straw residues—into additive manufacturing platforms marks a paradigm shift in sustainable design, ecological engineering, and biofabrication science. This chapter critically investigates the physicochemical attributes of wood and straw-based biomaterials, elucidating their cellulose-dominant microstructures, hierarchical porosity, and thermochemical thresholds that govern rheological behavior and printability in additive manufacturing environments. Through a comparative analysis of Fused Deposition Modeling, Binder Jetting, and Direct Ink Writing, the work examines biomass-processing compatibilities, binder-particle interactions, and multi-material layering protocols to address anisotropic challenges and extrusion variability. Embedding circularity into the design logic, this discourse foregrounds life cycle assessment, biodegradability metrics, and carbon emission deltas across diverse application verticals. Special emphasis is placed on functional deployments in smart agriculture and environmental sensing—where straw-derived sensor housings, moisture-responsive actuators, and wood-pulp probes enable precision diagnostics and adaptive control. Concurrently, the emergence of programmable bio-composites and smart surface interfaces underscores a convergence of material science, biomimicry, and AI-enabled analytics, facilitating 4D transformations and stimulus-responsive behavior in printed constructs. The chapter culminates by articulating the policy, commercialization, and scaling imperatives underpinning mainstream adoption. It proposes a bio-inspired design manifesto wherein waste valorization is reimagined as systemic innovation, and every biodegradable layer embodies regenerative intent. This work reimagines lignocellulosic additive manufacturing not just as a technical innovation, but as part of a larger, eco-conscious movement. By embedding it within a techno-ecological and transdisciplinary framework, we shift the focus from novelty to necessity—championing sustainable fabrication that respects material cycles, embraces ecological wisdom, and upholds ethical design. It’s a call to build not just smarter, but more responsibly.