UserManual:Pattern history record
Building pattern piece is a sequential process that can contain many steps. Select Pattern piece -> History or click on button History to show history record for current active pattern piece.
Each new object after creation will appended to the end of current pattern piece. In most cases no need change this behavior. But in some cases need add object in the middle of pattern piece after already existing. For this dialog History have special pointer. By default pointer mark last object in pattern piece. For changing click on first column near record after which need insert new object. Than do not close dialog and create new object.