Systems and methods for using a single tool for the creation and modification of solids and surfaces

Systems and methods for creating and editing 3D solids and surfaces in an intuitive manner are described. A single tool infers the most-likely correct action based on its context to a particular geometry case. The tool predicts a user's intended modification, and performs the predicted modification without recording related history information. The method includes receiving a selection of at least one CAD object. The method also includes the tool automatically predicting the user's intended type of modification to the at least one CAD object based on the type of the at least one CAD object and the at least one CAD object's relationships with the geometry of at least one surrounding (or related) CAD object. The tool can perform multiple types of modifications, and the modification is selected from the multiple types of modifications, without explicit commands from the user directing the type of modification.