How to round off the complete object?

[Anonymous]

So i want to create a logo in 3d. I shaped it an extruded it but i want my complete object round, like without any edges. Afterwards it should look like on the picture. How can i do that?

Sorry for my English and thanks for your help!

what it should look likewhat it should look likemy sketch without round siedes

[davebYYPCU]

Alt - Pull the corners of a Tspline box to suit.

Might help....