Technological readiness at the operational level for additive manufacturing in primary structure and large size components Design, analysis, manufacture and test of structural elements with high curvature applicable to Regional Aircraft configuration of leading edges. The technologies applied will cover: composite structures with long fibre reinforcement in thermoplastic resins, additive manufactured short fibre reinforcements and hybrid metal – composites techniques with rivet-free unions. Please refer to the full topic descriptions document published in this call.