My works My next 4-sun Japanese puzzle box
Sep 9, 2025I spent the whole day in the workshop today working on different tasks. Lately I’ve started to hear from over...
Hiroyuki Oka
My works 
My works 4.2-sun Japanese puzzle box aruki panels
Sep 8, 2025Well, today the very hot weather has come back again… but according to the forecast, today should be the peak...
My works One-point yosegi
Sep 5, 2025Because of the typhoon, it rained heavily from last night until this afternoon, but by evening it finally sto...
My works New creative yosegi
Sep 4, 2025This morning the sky was cloudy, and just before noon the long-awaited rain finally began to fall. In some ot...
My works 4.2-sun box materials
Sep 3, 2025From today the weather seems to be turning a little, and this afternoon the sky was cloudy. I can’t remember ...
My works 4.2-sun box
Sep 2, 2025The hot days continue—I think it was around 35°C today… Because of that, I try to come to the workshop as ear...
My works Wood grain direction
Sep 1, 2025Today marks not only the start of a new week but also the beginning of September. In Japan, September is cons...
My works Preparation for 4-sun box
Aug 29, 2025Just as it was starting to feel a little like autumn, the weather forecast says that high temperatures will ...
My works Creative yosegi
Aug 28, 2025From today, the temperature in our area has finally started to drop a little. It’s only by about 3–5 degrees...
My works Mechanism gap
Aug 27, 2025Today was another record-hot day, so just like yesterday, I did the machine work in the morning and focused ...