Cylindrical square from a lathe tailstock.

[tonyfoale]

-Thanks Tony, TM51 and Frank for suggestions and corrections. I found the video more food for my thoughts than a pure how-to.
Johan

That is what I intended when I posted it.

-Now I've just gotta sit on my hands waiting for the scrap yards/ service shops to open after all these holidays...
Johan

So is Sweden like Spain in which the main day is tomorrow, the 6th? Things do not get back to normal until Tuesday at the earliest.

If you had to pay someone to grind a used gudgeon pin to true it maybe it would make more sense to go and buy a new one.