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Topic: Strange (smaller) board size by dirtyPCB (Read 338 times) previous topic - next topic

Strange (smaller) board size by dirtyPCB

I have ordered my first PCB at dirtyPCB and after the purchase. I noticed something odds. Between the ( ) there is a smaller size listed, which is noticeably smaller than my edge cuts.

PCB: FR4 proto / 2 layers / 4.68x7.64cm, (3.9x7.3cm) / 1.2mm /
I have measured the edge cuts three times and 4.68 x 7.64 is the true physical size of the board.

So my question what is this (3.9x7.3cm) about? And should I be worried?