2. Secondly, a spiral entity with a width of 4mm and a pitch of 16mm is established.
3. Then a spiral groove with a width of 4mm and a pitch of 16mm can be drawn by Boolean subtraction. Mastercam is a CAD/CAM software based on PC platform developed by CNCSoftwareInc of the United States.
Autumn is thick, and Xiaowen smells the familiar flavor, with a hint of sweetness. This is the unique fragrance of osmanthus fragrans, which is fragrant and sweet. Smelling Xiaowe