Select the model object and call the SSO command. If many objects are selected, or none, the program will prompt you to select single object.

Next, the program displays the properties window. The first line always indicates the type of the sample object. The following are the properties that you used the last time for this type of object. Other properties are hidden. Check the checkboxes for the properties that will be compared to all objects in the drawing. If you need hidden properties click the “Show All Properties” button.

Attributes and parameters of blocks you can see in the list are under the heading Block. The colors of faces of solids are present in the list only if they differ from the color of the solid itself. This also applies to face materials.

Above the list there is one more checkbox to check/reset all properties at the same time.

Click OK and now the program starts to sort through all objects of the model or current layout. This may take some time. You can abort the process by pressing ESC. In the end you will see that all suitable objects (including the sample) are selected and ready to call other commands.

When searching for solid objects by the color of the faces, only solids will be selected in which at least one face has a given color and this color differs from the color of the solid itself. If you want to find the whole red solid mark the property "Color = red" and not "Face color red = Exists".

The second version of this command -SSO does not display the settings dialog (like all Autodesk® AutoCAD® “minus” commands). Instead the saved settings are used for the selected object type, default settings are used if you have not already called SSO. 

Follow the messages in the console. There may be error messages.

The installer that ran when you downloaded this app/plug-in from Autodesk App Store will start installing the app/plug-in. OR, simply double-click the downloaded installer to install the app/plugin. You may need to restart the Autodesk product to activate the app/plug-in. To uninstall this plug-in, exit the Autodesk product if you are currently running it, simply rerun the installer, and select the "Uninstall" button. OR, click Control Panel > Programs > Programs and Features (Windows 7/8.1/10/11) and uninstall as you would any other application from your system. 

After uninstalling you can delete Windows registry key CU\Software\AVC\AVC_SelectSame.

For Updates: 

Follow my news on Facebook. If you have an interest in the new version, just download it from my website and unpack into the same directory with the replacement of all files. AutoCAD course must be closed. Updates are free of charge. Reactivation not required.