HEATKEYS

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

Autodesk is a world leader in 3D design software for manufacturing, building, construction, engineering, and entertainment. Since introducing AutoCAD in 1982, Autodesk has developed a broad portfolio of 3D CAD software programs to help users visualiz...

CAD Blocks FREE! Download FREE CAD Blocks from a variety of categories and CAD disciplines. Browse before you download as all of our CAD Blocks have detailed thumnail views!

YouTube is a place to discover, watch, upload and share videos.

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

Trains.com, trainz.com, trains, model trains, model railroading, toy trains, garden railways, ctt magazine, CTT, mr magazine, model railroad magazine, model railroading magazine, railroading magazine, train magazines, garden train magazine, Kalmbach ...

Model railroad consulting for custom layout design, track plans, and operations planning

3D models for CAD/CAM/CAE designers. Cars, cities, airplanes and other polygonal and NURBS/SOLID models.

Discussing popular Autodesk products such as AutoCAD, Civil 3D, and Map 3D, by Donnie Gladfelter, author of AutoCAD and AutoCAD LT No Experience Required.

Free PowerPoint and AutoCAD tips, tutorials, techniques. Free PowerPoint backgrounds. Free newsletters.