This document provides an overview of the basics for using SolidWorks software to design 3D parts. It explains how to start a new part file, use the design tree and sketch tools to create 2D sketches, add features like extrusions and cuts, and use additional tools for filleting, chamfering, and adding text or images. The tutorial outlines the general workflow from sketching to extruding shapes to finish a simple 3D part design.