Hi Peter, you mean you want a sort of rounded top on the letter instead of the regular flat surface on top?

One way to do that is to construct a rounded surface and then use Construct / Boolean / Difference to slice the letter with the surface.

Here is a recent example that shows some visual steps on how to do this by using sweep to build the rounded top surface: http://moi3d.com/forum/index.php?webtag=MOI&msg=606.4

Let me know if you need any additional details.

- Michael