In CAD, a technique for representing 3D objects, in which all surfaces are visibly outlined in lines, including the opposite sides and all internal components that are normally hidden from view.

SAN FRANCISCO--(BUSINESS WIRE)--Autodesk, Inc. (NASDAQ: ADSK) introduced Autodesk 123D Design, a free* 3D modeling tool that allows users to create a digital model and then 3D print or fabricate their ...