Hwang Il SeokMar 102 minTip :: Checking the arch curve using a laserThis is a method of using a laser when working on the arch of a violin.
Hwang Il SeokJan 123 minReport :: Photodiscoloration of Wood by UVTo 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 SeokSep 13, 20221 minSoftware :: [Update] Catenary Curve Generator, v.3.2.1 Some bugs have been fixed.
Hwang Il SeokAug 31, 20222 minSoftware :: [Update] Violin Designer, v.2.5.1 Some functions related to corners have been added/changed.