Mechanical design and engineering is accomplished through SolidWorks 2016 3D CAD design software.
"SOLIDWORKS® Standard delivers robust 3D design capabilities, performance, and ease-of-use. Not only can you create fully detailed parts, assemblies, and production-level drawings, but you can access all the tools required to generate complex surfaces, sheet metal flat patterns, and structural welded assemblies. SOLIDWORKS Standard also includes wizards to automate designs, perform stress analysis, and determine the environmental impact of components. Discover increased design productivity with SOLIDWORKS Standard."
-SolidWorks.com