News & Notice

Due to recent advancements in AI technology, I have decided to streamline my website's language options. Moving forward, the website, previously available in four languages, will be provided exclusively in two: Korean and English. I kindly ask for your understanding.

This is a short video introducing a program that calculates the required content of each ingredient based on the ratio of the varnish recipe

You can use all functions of this website, such as reading articles and downloading files, without registering as a member. However, ...

This is a short introductory video about designing a violin using a clothoid curve.