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Report :: Neck design of stringed instruments
A description of the geometric design method of the neck that can be generally used for violin, viola, and cello.
Hwang Il Seok
Oct 31, 20243 min read
Report :: Photodiscoloration of Wood by UV
To see changing color when wood is exposed to UV light. Experiment up to 600 hours in 100-hour increments to find the most suitable time.
Hwang Il Seok
Jan 12, 20243 min read
![Software :: [Update] Catenary Curve Generator, v.3.2.1](https://static.wixstatic.com/media/927c1e_0e311564ea6043a18b3d48a05d83063c~mv2.jpg/v1/fill/w_542,h_408,fp_0.50_0.50,lg_1,q_30,blur_30,enc_avif,quality_auto/927c1e_0e311564ea6043a18b3d48a05d83063c~mv2.jpg)
![Software :: [Update] Catenary Curve Generator, v.3.2.1](https://static.wixstatic.com/media/927c1e_0e311564ea6043a18b3d48a05d83063c~mv2.jpg/v1/fill/w_542,h_408,fp_0.50_0.50,lg_1,q_90,enc_avif,quality_auto/927c1e_0e311564ea6043a18b3d48a05d83063c~mv2.jpg)
Software :: [Update] Catenary Curve Generator, v.3.2.1
Some bugs have been fixed.
Hwang Il Seok
Sep 13, 20221 min read
![Software :: [Update] Violin Designer, v.2.5.1](https://static.wixstatic.com/media/927c1e_c5f6a2da6bd8432199666a44b8725749~mv2.png/v1/fill/w_937,h_704,fp_0.50_0.50,q_35,blur_30,enc_avif,quality_auto/927c1e_c5f6a2da6bd8432199666a44b8725749~mv2.png)
![Software :: [Update] Violin Designer, v.2.5.1](https://static.wixstatic.com/media/927c1e_c5f6a2da6bd8432199666a44b8725749~mv2.png/v1/fill/w_937,h_704,fp_0.50_0.50,q_95,enc_avif,quality_auto/927c1e_c5f6a2da6bd8432199666a44b8725749~mv2.png)
Software :: [Update] Violin Designer, v.2.5.1
Some functions related to corners have been added/changed.
Hwang Il Seok
Aug 31, 20222 min read
Software :: Stiffness Calculator, v.2.0.0
This program calculates the stiffness and sound velocity of the material using the three resonant frequencies of the violin material.
Hwang Il Seok
Aug 14, 20223 min read
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