Motherboard standards

[notlib2000]

Hello,
Where can I find engineering measurements for ATX case standards. For example, the the height and spacing of where the expansion boards screw into. Also possibly a template for the motherboard standoff, screw and tap size.
Thank You.
Bill, St. Louis, MO USA

 

[hunter315]

ATX 2.2 specs, there are several schematics in there, you can get all of the necessary information from them
http://www.formfactors.org/developer%5Cspecs%5Catx2_2.pdf