My works The Benefits of Engineered Wood
It was very sunny this morning, and the weather forecast said it would become hot. The forecast was right, and it felt l...
Hiroyuki Oka
My works 
My works Fixed Axis Panel
A new week begins today, and we are now enjoying the pleasant autumn season. The sky has been a little cloudy, with some...
Japanese culture 5-Sun 21-Step Puzzle Box with Unique Yosegi
It was another very cool morning today, making it feel like a true autumn day. The rice harvest around my workshop has n...
Japanese culture Cross-Border Costs and Product Choices
It was another beautiful sunny morning today. The temperature was not too high, so it was very comfortable. However, the...
My works Box Size and Sliding-Key Width
It was sunny again from early this morning. I went out for a while in the afternoon, and it was a refreshing autumn day....
My works Was an Anti-Warping Method Necessary?
The weather changed completely today, and it became a sunny and hot day. It was not as hot as midsummer, but perhaps thi...
My works How Pattern Direction Affects Gluing
Today also began with rain. The typhoon is expected to come closest to our area tomorrow, but the rain will apparently b...
My works Working with a Non-Standard Box
Perhaps because of the typhoon and the autumn rain front, it has been raining since this morning. According to this morn...
My works Slim Puzzle Box
A new week has begun, but it started with rain. Autumn is usually a rainy season, but we seem to be having even more rai...
My works The Future of My Small Puzzle Boxes
It was much cooler again today. Although the sky was cloudy, it was a comfortable day. At times, it looked like it might...