Ball and concave turning attachment Subscribe to My Channel: www.youtube.com/subscription_center?add_user=baselines46 Visit My Blog: minilathe.net/ The ball attachment finished: minilathe.net/ball-and-concave-turning-attachment/ link to part 2 : youtu.be/7x3lRbNx3sM link to part 1 : youtu.be/pRDZCsn7NUM Optimum D180 x 300 Vario Optimum TU2004V