boolean and mirror problem I am learning Anvil tutorial by Blender Guru (here) and whenever I try to mirror the anvil after using boolean I am able to do it but for some reason, I am having the base of the anvil as it is and there is no face where boolean is used. here is the blend file.
P.S this object is in a collection named &quot;2nd try&quot; and my blender version is 2.92
Just move your mirror modifier before your boolean modifier like this:

Then it works:

UPDATE:
ok, then just add a mirror modifier for your cut object (cylinder) too like this:

result:

blend file: