Table 1 Search strategies

Embase, PubMed, and Cochran Review

(external fixation OR ex fix OR ex-fix OR external fixator) AND (three dimensional printing OR three-dimensional-printing OR 3d printing OR 3d printed OR 3d-printed OR 3 dimensional printing OR 3-dimensional-printing OR 3d-printing OR fused deposition modeling OR fdm OR additive manufacturing OR additive layer manufacturing) AND (orthopaedics OR orthopedics OR orthopaedic surgery OR orthopedic surgery OR fracture OR bone OR trauma)

Google Scholar

(external fixation OR ex-fix OR external fixator) AND (three dimensional printing OR 3d printing OR 3d printed OR fused deposition modeling OR additive manufacturing) AND (orthopedics OR orthopaedics OR orthopedic surgery OR fracture OR bone OR trauma)