Polygon to Moi what are some best practices?

 From:  pior (PIOR_O)
11605.6 In reply to 11605.5 
Hello,

About this video with pieces coming from NVil and refined in MOI : what is the MOI feature used to align the small circular parts to the surface of the face, at 2h08 ? I just tried Orient (for the first time), but I can't seem to figure out how it operates.

Thanks !