3D PDF Maker is a software tool designed to create 3D PDF documents, seamlessly integrating both 2D and 3D data into a single readable file. This application is especially valuable for professionals in fields such as architecture, engineering, and manufacturing, where sharing detailed 3D models can significantly enhance understanding and communication.Available at http://www.3dpdfmaker.com, the software supports diverse input formats including CAD files, which can be converted to 3D PDFs without the need for additional software. Users can insert 3D models into pre-existing PDF documents or create new 3D PDFs, making it versatile and adaptable to different project requirements. The interface is designed to be user-friendly, allowing users to efficiently manipulate 3D models, add annotations, and customize the layout to best present complex technical data in an accessible and professional format.