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For the J1 connector pads in your design, it is unclear whether the holes should be round or slotted.
Based on the pad shape and size, slot holes appear to be required instead of round holes, but PCBfast needs your confirmation before proceeding with fabrication.
• If slot holes are required, please draw them on a dedicated layer named “SlotHoles” or specify the slot dimensions clearly in your design file.
• If you are unsure how to design slot holes, you can add a remark when placing your order indicating the slot size and position, and PCBfast’s engineering team will create them accordingly.
Providing this clarification ensures accurate hole processing and proper fit for your J1 connector during assembly.