Develops and supports CE/TOL, a tolerance and variation analysis software package for mechanical design and manufacturing processes.

Develops software for 3D Parametric Solid Modelling and 2D Drafting, with add-ons for motion simulation, photorendering, kinematic and dynamic analysis.

Basic and advanced tutorials on the use and customization of Autodesk Inventor 3D CAD software, discussion forums and current CAD news.

Feature-based reverse engineering software for SolidWorks.

Presents the PipeData-Pro software family for piping designers and engineers [requires JavaScript and Flash].

Specialized engineering 2D/3D CAD shareware for sheet metal design and unfolding for fabrication and manufacture. It handles cylinders, cones, square-to-round adapters, ovals, intersections and multi-intersections.

Steel detailing software with packages for structural design, detailing, and manufacturing.

Developer of Concepts Unlimited, 2D 3D modeling tools for Mac and PC designers. Supports precise NURBS, analytics, rendering, animation and drawing composition.

Makers of the Anvil Express software for mechanical design, that also has manufacturing features.

A relational trimmed NURB curve and surface 3D modeling program, useful for boat hulls and other applications.