HEATKEYS

CADTutor provides free video tutorials, articles, downloads and a busy community forum for users of AutoCAD and associated software.

GrabCAD - a free CAD model library with 2D / 3D CAD files available for software like SolidWorks, AutoCAD, Autodesk Inventor, Solid Edge, SketchUp etc.

Docstoc is a community for people to find and share professional documents. Find free legal documents and free business documents.

Hotaru CMS is an open source content management system, written in PHP.

Learn how to do just about everything at eHow. Expert Village is now a part of eHow, adding expert How To videos to eHow, the world

Lee Spring, a leading spring manufacturer, has a huge inventory of precision stock & custom springs. Extensive online catalog of stock springs

Select a product from the list below for Knowledge Base, and other technical support information.

Pennsylvania College of Technology, Pennsylvania

Anvil International is the largest and most complete manufacturer of pipe fittings and pipe hangers and supports in the world.

Dassault Systèmes SolidWorks Corp. develops and markets 3D CAD design software, analysis software, and product data management software. SolidWorks is the leading supplier of 3D CAD product design engineering software.

Vlier provides the highest quality spring loaded devices, ball plungers, leveling mounts and mechanical components to aerospace, automotive and other major industries.

CALC4CAD is productivity add-on software for mechanical engineers and designers using AutoCAD, AutoCAD LT and Alibre. CALC4CAD creates fasteners, spur gears, sprockets, isometrics, hole charts, compression springs, extension springs, graphs, ball b...