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3D boolean operations allow you to combine, intersect, and subtract portions of 3D entities in your drawing. You can access these operations via the 3D Edit or the Create pull-down menus.


To use 3D Boolean operations:

1. Select Boolean 3D from the 3D Edit menu or select Boolean 3D from the Create pull-down menu. The main Boolean 3D menu appears. You are prompted to Select first object.
2. Select a 3D object in your drawing. The secondary Boolean 3D menu appears. You are prompted to Select second object.
3. Select the operation (these are mutually exclusive options) you want to perform:
   • Combine – merges (or adds together) two or more 3D objects.
   • Intersect – shows the portion where two or more 3D objects overlap.
   • Subtract – eliminates parts of 3D objects.
4. Select the second 3D entity to interact with the first one. Toggle Multiple on if you want to select more than one entity. At this point, DataCAD will make the necessary calculations and create a symbol which contains the 3D geometry defined by the Boolean operation.
5. Change the enlargement, rotation, offset, or scale of the resultant object if necessary based on the options available in the Ins Symbol menu.
6. Position the symbol box where you want the results of the 3D Boolean operation to appear in your drawing.