1.Cut a 12 mm thick japanese-ash with a width of 56 mm and a length of 102mm by a miter sled jig at both ends at 45 degrees.

2.When this miter sle djig is used, the length is shortened by 1 mm, so the member is 2 mm longer than the drawing dimensions.

3.Cut out the part where the filter will enter with a scroll saw.

4.Make a groove with a depth of 10 mm using a spline slot cutting jig.

5.Cut the 45 degree after bonding it with a woodwork bond.

6.Use rosewood for spline bar.

Put at about 30 filters. It will contain 50 sheets.

Engraved the coffee cup illustrations and letters with laser.