@unknownuser said:
[b]RoundCorner performs the rounding of the edges and corners of 3D shapes along a 2D profile, in 3 modes: Round corners, Sharp corners and Bevel.
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Hi Fredo6 ! 
This ruby made a strong impression on me ! It's very very very useful !
I have a small idea, could you resolve it ?
 Image link broken, browser stalls thus link removed  (poster never came back anyway).
Many thanks ! 