Altium NEXUS Documentation


Created: 10.06.2016 | Updated: 11.04.2017
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Parent page: CAMtastic Commands

The following pre-packaged resource, derived from this base command, is available:

Applied Parameters: None


This command is used to access the Edit Apertures dialog, from where you can create new aperture shapes and edit, or delete, existing ones.


This command can be accessed from the CAMtastic Editor by:

  • Choosing the Tables » Apertures command from the main menus.
  • Using the Shift+A keyboard shortcut.


After launching the command, the Edit Apertures dialog will appear. The dialog lists all of the currently defined apertures for the current document. Each aperture has a DCode assigned to it. When drawing objects in the workspace for example, the DCode is used to specify the associated aperture used for drawing.

Each aperture that is created must have a shape and size defined. Certain shapes can have further, special attributes assigned.

Use the dialog to edit the definitions of existing apertures or create new ones.


  1. When importing Gerber, DXF, or DWG files, an aperture list will automatically be created.
  2. DCodes assigned to apertures are in the range D10 to D9999. A small 'degree' symbol will appear next to all DCodes that are currently used.
  3. Each tool that has been defined in the Tool Table dialog (Tables »  NC Tools) has an entry in the Apertures list. Tools are assigned DCodes in the range D9500 to D9999.
  4. All Gerber format photoplotters use apertures. Apertures describe the available tools used to draw on film. In the case of a vector plotter, these apertures correspond to various sizes and shapes of holes in an aperture wheel, or slide. Light is projected through these apertures onto the film emulsion.


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