Through testing I have found it is easy to drill three 1mm holes in a row accurately, but even easier to drill two - as you can make bigger mistakes without it becoming obvious

I'll have to get some pics up sometime
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Rory
MkIIa, blue lit buttons, memory upgrade, 1Tb in Subaru Forester STi
MkII, 240Gb in Mark Lord dock
MkII, 80Gb SSD in dock