What's a good chin and philtrum height and how do I measure?

[ForeverRecession]

Do I press the ruler against my face so it inclines or do I hold it straight in front of the mirror. Same goes for philtrum.
Couldn't really find a thread for this.

 

[one job away]

Do I press the ruler against my face so it inclines or do I hold it straight in front of the mirror. Same goes for philtrum.
Couldn't really find a thread for this.

1:1.9 - 1:2.2

 

[ForeverRecession]

1:1.9 - 1:2.2

Do i press ruler against my face or hover in front of the mirror? Thanks

 

[one job away]

Do i press ruler against my face or hover in front of the mirror? Thanks

Just take a pic and measure there