Nearly every single pcb designer uses square pads with 90° corners. | Hacker News

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		russdill on June 27, 2019 \| parent \| context \| favorite \| on: What's the deal with square traces on PCBs? Nearly every single pcb designer uses square pads with 90° corners.

coryrc on June 27, 2019 [–]

Pads are much longer than the width across the smallest corner, so if it gets rounded a little, there's no problem. But a 90° corner for the thinnest trace is vulnerable to being etched from all sides and getting too thin.

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