Insert Points by Interpolation

On the Shape tab, in the Add group: Click Insert Points by Interpolation to insert points on selected shapes or insert points on the selected segment of a shape, either at a specified segment Distance or by segment Count. (Ctrl + I, R)

In the following example, the Spacing Mode is segment Count and Apply To is set to Segment.

Select the design element to interpolate:

Click Apply to interpolate:

Points are inserted based on the segment Count value entered. If necessary: On the Design tab, in the Action group, click Undo (CTRL + Z) and Redo (CTRL + Y) to undo and redo (revert the undo of) the last action.

Note: To continue interpolation, you will need to reselect the element to interpolate.