Abstract
The use of bio-based materials has been increasing in recent years owing to a growing awareness of ecologically friendly alternatives in the building industry. This work demonstrates the application of natural fiber biocomposite profiles within a reciprocal structural framework. Employing the pultrusion technique, linear profiles are fabricated using natural flax fibers and a bio-based resin. This paper focuses on the design and implementation of a parametric model that generates reciprocal systems considering the geometric and mechanical properties of this newly developed material. Reciprocal systems were chosen due to their high density of shorter linear elements, capacity for global geometric diversity,
simplicity of joint assemblies, and low structural dependence on the joints. The developed algorithm considers material properties and site requirements to transform a line network into a stable reciprocal system with given cross-sections and generates pre-fabrication and assembly instructions to reduce onsite complexity. The proposed method was initially validated with a small demonstrator, confirming its accuracy from design to fabrication. A larger canopy showcased at the Venice Biennial demonstrated the system's scalability and the applicability of biocomposite profiles for complex applications.
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