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Have a question about CadSoft EAGLE?  Ask our Expert, Richard! (Archive)

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Richard Hammerl

Richard is an engineer with 16 years experience in EAGLE customer support and is waiting for your questions.

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  • Hello Richard,

     

    I hope you can help me.
    I need to create a custom pad.  The pad needs to be a rectangular slot.  I tried to modify an existing pad with no success. Second attempt, I created a layer 17 (pad) polygon and added a smaller layer 47 (Milling) polygon on top of it plus the stop layers.  This looks like a pad but Eagle is not recognizing it.  What it the best solution?

     

    Regards.

     

    Using Eagle 5.11, Windows 7

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  • Hello Richard,

     

    I hope you can help me.
    I need to create a custom pad.  The pad needs to be a rectangular slot.  I tried to modify an existing pad with no success. Second attempt, I created a layer 17 (pad) polygon and added a smaller layer 47 (Milling) polygon on top of it plus the stop layers.  This looks like a pad but Eagle is not recognizing it.  What it the best solution?

     

    Regards.

     

    Using Eagle 5.11, Windows 7

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  • in reply to e14 Contributor

    Hello TDominik,

           In  EAGLE 4.16r2, Windows XP  I did not find tools to make non-standard pads.

    So, I did exactly what you did, but I placed real small pad into the middle of the slot,

    to be able to connect trace to it. The same for SMD, only polygon has to be cupper.

    Or you can use just thick wire instead of polygon. PAD and SMD allow you to connect

    traces to your cupper layers (any layer for PAD and top layer for SMD).

        You will get multiply DRC errors: for PAD - "Layer Abuse", for SMD - "Clearance".

    But it works.

        In case of PAD, drill has to fit into slot completely, because manufacturer

    can brake the drill bit if hole appear on the edge of the milling.

     

          Lev.