Global 3D Printed Footwear Market Size, Share & Demand Report By Product Type (3D Printed Soles, Fully 3D Printed Footwear, 3D Printed Components), By Printing Technology (DLS, SLS, MJF, FDM, SLA), By Material Type (TPU, TPE, Nylon, EVA-based Polymers, Bio-based Polymers), By End-Use Application (Sports & Performance, Lifestyle & Fashion, Medical & Orthopedic, Safety & Industrial), By Distribution Channel (Direct-to-Consumer, OEM Partnerships, Orthopedic Clinics, Specialty Retail), By Region & Segment Forecasts, 2025–2030