Ethan Higgins, far right, explains the finer points of hand-milling a log with an ax Saturday at the Common Ground Fair in Unity.

Michael Beaudry stands in one of his hand-milled timber frames on display Saturday at the Common Ground Fair in Unity.

Ryan Brubaker hand-mills a log with an ax Saturday during a demonstration at the Common Ground Fair in Unity.

Ryan Brubaker squares a log to hand mill during a demonstration Saturday at the Common Ground Fair in Unity.

Ethan Higgins, center, hand-mills a log with an ax during a demonstration Saturday at the Common Ground Fair in Unity.

Michael Beaudry, left, stands on a log to demonstrate the technique to hand-milling a log with an ax as his protege Ethan Higgins, far right, watches on Saturday at the Common Ground Fair in Unity.

Ryan Brubaker squares a log to hand mill during a demonstration Saturday at the Common Ground Fair in Unity.

Ryan Brubaker squares a log to hand mill Saturday during a demonstration at the Common Ground Fair in Unity.