I'd be afraid to turn it on. My computers have always been already put together. I would worry that I made some connection wrong or plugged something in backwards.
I thought the conductors on circuit boards have square corners.
Oh gotcha. It is terrifying to boot that first time. But each time it gets easier, and thankfully I have yet to find a way to fry everything by plugging the wrong thing in.
But you're right the conductors are usually squared, but this is the central processor and comes separate from the motherboard/circuit board.
I'm not sure I understand what you mean.