dimensions

I've been poking around online, and many of the atx-spec case i/o dimensions have slight variations between them, anywhere from .1mm to eight or 9mm differences. I'm looking for the dimensions for the case rear i/o. Motherboard spacing to the GPU slots, GPU attachment hole dimensions, etc...

I'm currently trying to build a mini itx case but I'm very confused with the dimensions. All of them :P I can't figure out how much the clearence under the motherboard should be (and so the dimension of the motherboard stands) the dimension of the i/o shield, the distance of the motherboard...

so, i'm working on a case and would would like to include compitability with the 92mm aio from asetek. But i can't seem to find any measurments or 3d models, so my question now is: does anyone have or have acces to one and if so could you share them with me? I'd need all measurment shown on the...

I've been working on a case for personal project of mine for a while and I'm about to get the parts cut soon, but I'm not sure about the dimensions for the rear I/O cutouts. Results from google and grabcad vary and I am afraid to get it wrong. I have been using mainly this image as reference...