1.The material is the cryptomeria board of 24 mm and 4 mm plywood.

2.Make a cryptomeria board flat.

3.Shave to the 18 mm thickness.

4.Cutting to the fixed size with table-saw.

5.Making a 15mm template. I made this Box joint Jig before.

6.Cutting a ditch using the straight bit of 15 mm.

7.All board has been completed.

8.Gluing together.

9.The box which finished gluing.

10.Making a tergum. The material is plywood with 4 mm thickness.

11.This is material of the surface. and, the door of the shoe cupboard to have been using before.

12.Cutting it with table-saw.

13.The sound hall of the tergum. It a 100 mm diameter. Drilling with a free drill.

14.Reduce the surface board thickness to the 3.2 mm with the drum sander.

15.Making a curve in the corner of box.

16.Install a rubber leg in the bottom board.

17.This is a sound wire used for drum.It is the part number S-022 of Pearl.This wire is contacted to a surface board.

18.Cutting a wire in the half length.

19.This is the bracket to adjust the contact condition of the sound line. These were the parts of the old double-headed.

20.A hand is thrust into a sound hole, a lower butterfly screw is loosened, and an angle is adjusted.

21.The board in the surface has the possibility to exchange in future. Therefore, It fixed with the screw.Spot facing was carried out so that the screw head might not come out from the surface.

22.It has finished in watco oil. There is good sound.