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dimension question

e14 Contributor

  My circuit board house says they are not receiving any dimensions when I send the Gerber files. Where can I find what

file the dimensions should be in. I Have crosses in the 4 corners of the board in layer 20 which is marked the dimension layer.

Yes I am a newbie convert from old tape and dots on mylar.

Thank you   Lee

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    maybe I know you means,  you placed 4 crosses on the 4 corners in layer 20. and you think that for a rectangle board, it is enough.

     

    In some sense, it is possible to determine the size and shape of a board.

     

    but not all of board's shape is rectangle, maybe it is round, or cut a part on a rectangle. or any other shape ---maybe you often see them.

     

    and the circuit board house don't know what is you need. they also should not modify your gerber file.

     

    so you must use line to draw the keep-out of your board. in EAGLE, usally use 0 mil width line.

     

    look the sample of eagle plz

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  • 0

    maybe I know you means,  you placed 4 crosses on the 4 corners in layer 20. and you think that for a rectangle board, it is enough.

     

    In some sense, it is possible to determine the size and shape of a board.

     

    but not all of board's shape is rectangle, maybe it is round, or cut a part on a rectangle. or any other shape ---maybe you often see them.

     

    and the circuit board house don't know what is you need. they also should not modify your gerber file.

     

    so you must use line to draw the keep-out of your board. in EAGLE, usally use 0 mil width line.

     

    look the sample of eagle plz

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