- In order to clean the outer side of the door handle, the arrangement is carried out in consideration of the support.

- Tree support was used to save the support as much as possible, and the thickness of the support was set to 0.4mm to 0.8mm.

- The production tool will be Magics Print Metal version 25.

- The material is copper.

- The appearance is well implemented, and the support removal is slowly removed from the bottom to the disc. 

- Remove the support as much as possible with the remaining microgrinder and grind the barrel (heat treatment does not proceed).

- Overall height is 45.598mm and additive manufactured thickness is 0.32um.

- Support removed and polished.

- The bottom left handle is made with a metal 3D printer.

- This drawer, built in 1915, was created due to a lack of a handle in the process of restoring it as a cultural property.

It seems to be a good example of the use of metal 3D printers. 

It takes at least two to three weeks to make a cast and may be somewhat more expensive than metal 3D printing. 

The working hours are 2 days and the estimated price is around 200,000 won.