These videos are fairly large, so a fast connection is assumed to be able to use this technology to assist in learning Mach3's finer points. All videos are available for download from the Videos directory of the FTP site.
ArtSoft Video Tutorials
The tutorials are a collection of Flash videos covering a wide variety of topics ranging from the basics of how to install and configure Mach3, to more advanced features such as Scripting and Brains. There are also videos discussing LazyCam, Mach3Turn, the Mach3 Addons for Mill, and other various other subjects.
(The macro used in Tool Change Macro video.)
The following videos deal with creating Plugins for Mach3. In the Mach3 SDK video, Art explains how to use the original Mach3 SDK (which only supports VS2003). In the Mach Plugin Wizard videos, Ed Bryson discusses how to install his Mach3 Plugin Wizard (available on the Downloads page) that allows development in VS2008, and then runs through a series of tutorials on how to create a simple plugin:
The following videos deal with creating custom Screens for Mach3:
(RealDraw software was used in the above tutorials.)