This came up in another thread so I decided to make a general post so everyone can search and reference it. I noticed a lot of failure posts due to overlapping and decided to show what I meant.
@user_2548955667 - this is is the brimming tips.
When adding your brim to things either in the overall settings or per object settings if the objects are too close the brims will overlap and cause your piece to not have a brim at all
So in the above example of a very tall thin 1cm spindle from the spaceship exhaust, you can see that a brim of 10 was used and it overlaps with another brim. this causes a gap I circled.
Note the brim lines between your object and the gap now - you have now, not 10 brim in that area like you wanted but rather 4!!! so if the nozzle happens to clip it in the opposite direction - you only really have half the brim trying to prevent lift if knocked and it can cause failure when high up.
The pieces need to be far enough apart like on the left side for the brim to fully lay down all it’s lines or you need to reduce the brim lines enough so they do not intersect (at the expense of weaker brim)
If anyone else has BRIM related tips please include them in this thread to make a mega info thread for all. =)