On parts with 90 degree corners , for example a simple cube it detects all four corners
on part with slightly fillet corners it always detects only three corners
try the attachments:
Cube.stl (684 Bytes)
CubeChampfered.stl (13,9 KB)
CubeChapfered.stl should be named CubeFillet.stl 
Never had to uses mouse ears, make sure you have good bed adhesion…
OK, Fillet instead of champfer , i beg your pardon but english is not my main language.
<Never had to uses mouse ears, make sure you have good bed adhesion…>
well if you know the one and only 3d printer that prints EVERYTHING, specially at high speed, without brim , mouse ear etc then let me know it.
If you don’t understand the most simple things as bed-adhesion you better can sell the damn thing and start collecting postage stamps…