Hello,

Sorry it's hard to understand what area/model you are pointing with that last screenshot. Since using centroid triangulation I can't find any of those 90 degree issue.

If I look at the previous issue in MoI, here's what I have using the default settings :



I can see a small issue (red area), but nothing like those black triangles and other ugly shading variation like you show in 3dsmax.




As Michael suggest, giving it a bit more room (lower angle, divide larger than) produce much better render mesh. Even if you can consider the triangulation not 'optimal', I can't find any glitches or visual imperfection looking at the shading view alone. This is exactly how my model look's like in my DCC, Moi doesn't hide or enhance anything.