for the past few days, I've been struggling against artifacts problems with a mesh.
I used the boolean modifier on this following cube :
After applying the "Difference Operation", here is the result :
At first, It looks great, but if I zoom in, you will notice this problem :
I have tried to use the Edge Split modifier, It did nothing.
I also tried to remove doubles, and this happened :
Not only It accentuated the problem, but It also created some holes (as you can see at the bottom left of the picture). My guess is that some faces are overlapping. This problem happens with all the rounded edges. Do you guys have any tip on how to solve this ?