Sharpening Handbook

Because sharp enough

... usually is not

Calculator for Projection and/or USB Distance

Measuring Distance from Grindstone to USB

Details on the calculations used

Grindstone Diameter	mm	Radius is half the diameter
Measured Projection	mm
Desired Bevel Angle (β)	°	Bevel angle (β) is half the included angle (α)
Distance from Grindstone to USB	mm