Trelis 16.4 User Documentation
Trelis has an undo capability. To enable the Undo feature click on the "Enable Undo" button on the Toolbar.
With undo enabled, click the undo button to reverse operations.
Alternatively to turn undo on and off, the following
command may be used in the command line:
The Undo capability is implemented for geometry and some meshing commands including webcutting, geometry creation, transformations, and booleans. The commands will be undone in reverse order of their execution.