Solved
chamfer dimension from apex to surface
This 1st picture is without chamfer and if I measure it. it shows 61mm (Abstand)

This 2nd picture is after a put chamfer. but when I try to measure from the middle of chamfer to the side surafec it shows 60.5mm.
While I was annotating, I chose the two marked (in red) to measure.
So How do I correctly choose the apex of the chamfer?
I should be getting 61mm


