the mass center of the elements, however, you can specify any point as
the <b>Base Point</b> and the elements will be rotated with respect to this
point.<br>
- Note that it is the <b>Base Point</b> who goes exactly along the
+ Note that it is the <b>Base Point</b> whos track exactly equals to the
path, and all the elements being extruded just keep their relative
position around the <b>Base Point</b> at each iteration.
</li>