Generating Gerber file

1. Open your PCB design files on Altium designer software.

Select File -> Fabrication Outputs -> Gerber Files.

2. General Setting

In the General Setting set the precision to 2:5 (0.01 mill resolution).

3. Layers Setting

Please ensure you have the clear outline in mechanical layer.

If your boards are 2-layer, there will be no inner layer (G1,G2,G3….)

Include the layers that you want to export by marking these, select “Used On” in Plot Layers, Select “All Off” in Mirror Layers.

4. Aperture Setting

Be sure to mark “Embedded apertures (RS274X).”

5. Advanced Setting

When you ensure all configurations are fine, please click OK to generate the Gerber files.

Generating NC Drill File

1. Generate the Drilling layer in Excellon format.

File -> Fabrication Outputs -> NC Drill Files

2. We recommend you to choose the same units and format parameters as Gerber. Then click OK.

Then you get all files. Please put them into a single zip/RAR file.

Altium has published a guide on producing those files here:

http://wiki.altium.com/display/ADOH/NC+Drill+Output+Options

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