U Tokyo 3D-prints life-sized musculoskeletal robot leg from single TPU material
CyberRobooo · x · 2026-11-05
University of Tokyo researchers published a framework unifying parametric design with flexible TPU 3D printing to fabricate muscle-, tendon-, ligament-, and cushioning-inspired components. By tuning lattice density and branch thickness, they tailor mechanical properties per body region. The result: a life-sized tendon-driven robotic leg achieving coordinated multi-joint motion under suspension, with ligament-based joint constraints and torso rotations limited to ±20°. The work simplifies design-to-fabrication workflows and could extend to full-body humanoids and embedded sensing.
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