My works 3-sun 12-step Japanese puzzle boxes
21-Mar-2025Today was a relatively warm day. Since the temperature was expected to rise, I decided to do the finishing wo...
Hiroyuki Oka
My works 
My works Small processing of the knock box
20-Mar-2025Today is a national holiday in Japan called "Shunbun no Hi" (Vernal Equinox Day). So, my workshop had a later...
My works The Aruki panels of knock box
19-Mar-2025Today, I finally (?) started making the Aruki panels (moving panels) for The Knock Box. First, I began by mak...
My works The side panels of 6-sun box
18-Mar-2025Today, I continued working on the 4-sun "Knock Box." However, since I mainly worked on the 6-sun box, there w...
My works Making the frame parts
17-Mar-2025A new week has started today. The rain that lasted until yesterday has stopped, and the weather is sunny.Toda...
My works Aruki panels of 6-sun puzzle box
14-Mar-2025As planned, today I worked on making the Aruki panels (moving panels) for the 6-sun 27-steps puzzle box and a...
My works 6-sun 27-step puzzle box
13-Mar-2025Today, it was sunny from the morning for the first time in a while. I successfully delivered the hexagonal pu...
My works 6-sun Japanese puzzle box
12-Mar-2025Today, the weather was bad, and it started raining around noon. Fortunately, I didn’t have any assembly or fi...
My works Ichimatsu pattern yosegi-zaiku
11-Mar-2025Today, the sky was cloudy, and it started raining in the evening. The humidity was quite high overall, making...
My works 3-sun Cube puzzle box
10-Mar-2025It has become warm again since yesterday. The mornings are still cold, but the daytime is much more comfortab...