Hello and thank you Michel,

So I made refined the object a bit I used Extrusion , Blend & loft to create it then imported it in 123Ddesign and then after applying fillets imported it back to MOI.

But I saw an artifact! take a look at below image.



If everything goes well I can create a Linked-Star Object.

You can see one here:


https://filesend.io/188cbf8bb71592fbc6871b1468e781c5/Linked_Star_Filleted_With_123D.3dm (@PILOU I think it is a good subject for rendering :-)

But it is not a solid object. it is a joined object. So, if I can rectify this issue I would be able to create a Linked star in MOI :-)