Erase Doubles


This topic will explain the Erase Doubles function, describe where to find it, and the options found in it. This topic will also provide quick steps on how to use it, and provide links to related topics.

The Erase Doubles Function

The Erase Doubles function eliminates duplicate entities.

To open Erase Doubles:


  • In the Reorganize group, of the Utilities ribbon, click Erase Doubles.


The parameters display in the Data Entry Manager.

Data Entry Parameters

Selected Geometry


(Delete) - removes the highlighted item from the Selected Geometry list.

(Delete All) - removes all entities from the Selected Geometry list.

The list will display all entities currently selected for the function.


  • OK - finalizes the function.

  • Cancel - exits the function.

Quick Steps - Erase Doubles

  1. Open the function.

    The Selected Geometry list automatically has focus.

  2. Select the geometry.

    The geometry is added to the Selected Geometry list.

  3. Confirm the selection by clicking OK.

    The Results dialog appears listing the following statistics:


Entity # Before #After Corrections Made




Note: The Entity Column will only list entity types that were selected for the function.


Entity Column - Type of entity. The only entities affected by the Erase Doubles function are Points, Lines, Arcs, and Splines.


#Before Column - How many entities of this type existed prior to using the function.


#After Column - How many entities  of this type were left after the function was used.


Duplicates Removed Column - How many entities of this type were removed.  


  1. Click Cancel to exit the function.

Related Topics

The CAD Overview