Undo and Redo

Drawing > Undo, Redo

The Undo function reverses the last command. The Redo function can be used to restore the command that was previously reversed.

Both functions can be accessed via Drawing > Delete.

Please note:

If you want to temporarily switch off the Undo function in 3-D, select Drawing > Others > Extras > Temporary settings >3-D Undo ON/OFF . This setting influences 2D and 3D!
The maximum number of 2-D undo steps can be changed in the Configuration Editor (ISDConfigEditor.exe). Select ... > System settings > Data save and set the parameter Number of drawing memory UNDOs accordingly. Default setting is 11. A maximum of 20 undo steps is possible.