This dataset contains the complete database and screening records from the scoping review entitled *Knowledge Mapping on 3D Printing in Accessibility: A Scoping Review*. The file includes bibliometric variables (authors, year, journal, country), thematic variables (types of assistive products, 3D printing technologies, population characteristics, outcomes) and screening decisions. The dataset is provided to increase transparency and enable future reuse in related research on assistive technology and additive manufacturing. Please cite this dataset if you use or adapt any part of it.