Generic beige-box PC clones like the ones pictured here often had an indent for the manufacturer's badge to be stuck on. Were these all a standard size, and if so, what were the dimensions?
One inch square, I think (at least, the insets on my old, beige, midi-tower cases are).
Measurements of my IBM Model 5150 indicate the badge itself is 1 in. square, equivalent to 25 mm. But there is an additional approximately 1/32 in. added for the indent area, thus allowing the badge to completely reside within the indent.