You can use the Split > Edit menu to split elements. You can choose from two options in the submenu: Split one element with the aid of another or split a line into equal parts.
Split by Element
Edit > Split > by element is used to split an element by means of another element. Select the elements you want to split. After selecting the command the cursor turns into a splitting cursor. Now click the element which is to function as the splitting mask. The selected elements are split at the intersection line determined by the splitting mask.
Texts, placed graphics and image elements cannot be split. Threads can only be split if you have converted them first to individual elements with the Convert command on the Element menu.
Split into Parts
The Edit > Split > into parts command can be used to divide lines into segments of equal length. Select one or more lines and call up the command. The following dialog box appears. You can use this to specify how many parts the selected line elements are to be split into.