DIY Making Spherical turning tool attachment

You can make this simple spherical attachment by a scrap



















References by : Reed M. Streifthau

First you can use Mild steel plate 3/4" to make a holder



















For tool bit holder if you can't make a square hole you can make it round for round HSS tool bit



























If you need a better finish cutting you should have a worm gear box transmision



















But if you haven't need a good finish you can change it by a handle


















So if you interested by this tool you can download it tutorial here