How make that ?

 From:  Frenchy Pilou (PILOU)
5590.48 In reply to 5590.46 
>The best way is to not do it in MoI - isntead do this particular shape in one of those other CAD programs and then bring the result into MoI.

> That will probably be the best way to do it until MoI gets its own n-sided blend tool.

Cool! For the V3 ?
So wait and see and take some rucksacks against suitcases for travel around the world :)