These part breakouts are general purpose and most do not belong in their own dedicated repository.
Most of these boards are designed to be quickly fabricated using a CNC mill (currently an Othermachine Othermill v2).
This means the boards/parts have been tested with:
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FR-1 substrate (will not survive extended rework/reflow/shearing mechanical stresses)
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Usually built around wide trace/spacing rules for fast milling 1/32 (usually) bit use.
Designs here try to minimize use of:
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Through-holes (a mill as of 2015 does not come with a plating bath)
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Vias
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Double sided designs (edge finding/registration makes things harder on 'go fast' prototypes)
Unless otherwise specified for some reason, the breakouts in this repository are CC0 1.0 Universal