DWG files contain vector images as well as metadata so that any off-book information is not needed to comprehend the drawings. Such drawings are used by engineers, architects, or town planners to create huge designs. In certain situations, you might require to convert a DWG file to an OBJ 3D Object format file. According to such use cases, this article covers how to convert a DWG file to an OBJ file programmatically in Java.