This tool is used to clear all the undos within the 12d Model project.
The video below will show how to use the Clear All Undos option.
Or continue down the page to see the Clear All Undos options.
The Clear All Undos option is found under the menu: Utilities => Edit => Clear All Undos
The Clear All Undos option will prompt you when selected if all the Undos in the current session of 12d Model are to be removed – no longer accessible.