anyone know how I can exactly photoshop 8 milimeters?

[ZUZZCEL]

im trying to find a way to photoshop my chin vertically with a 8 mm increase but theres literally no way and all i can do is estimate it but usually those estimates can be very inaccurate.

 

[Deleted member 656]

Your pupil has a diameter of ~11mm. Use that as a guide.

 

[Deleted member 470]

Your pupil has a diameter of ~11mm. Use that as a guide.

tesla iq as usual

 

[Deleted member 656]

tesla iq as usual

Explains my gaylien occiput