Metalsmithing 

"Look deeply into nature, and you will understand everything from the heart." 

Woodworking 

"Transforming a 2D pattern into a 3D form through illustration." 

Sketching 

"Sketching is not only a great way to calm the mind but also to develop observation skills." 
Model Making

"To determine if ideas are viable, the hands must act while the mind ponders."