1.Material is Japanese ash.

2.Making into an octagon the square lumber which becomes a wooden cone by band saw.

3.Drilling 25mm which inserts a cone by forstner bit.

4.Write a conical angle and usage by burning.

5.Delete to a 1-inch round bar by a manual type teenon cutter.

6.Turning. A conical angle is from 70 degrees to 110 degrees.Make five kinds.

Finished by bees-wax. I was able to pick out the wooden cone of 80 degrees.