My works Change in the panels
04-Jun-2025The rain that had continued until yesterday has finally stopped, and today the sun came out from the morning....
Hiroyuki Oka
My works 
My works Unique 27-step box
03-Jun-2025It started raining this morning. I’m glad I made and attached the Aruki panels (moving panels) for the square...
My works Short aruki panel
02-Jun-2025A new week starts today, and I’ve made some progress on my work. Right now, I’m working on the 4-sun 27-steps...
My works Tiny ichimatsu yosegi
30-May-2025As expected, it’s been raining since this morning and the humidity is high, so I spent the day preparing for ...
My works Aruki panels of 4-sun
It looks like it’s going to rain tonight. So, thinking that I wouldn’t be able to do any work tomorrow that’s sensitive ...
My works 4-sun 14-steps puzzle box
28-May-2025Today, we finally had some beautiful weather after a while. But it's getting quite hot outside, so I don’t re...
My works Mame 18-steps
27-May-2025Today was a very cool and comfortable day. In my neighborhood, rice planting has already started this week. A...
My works Tiny kannuki box
26-May-2025A new week has started today. Some areas in Japan have already entered the rainy season, although our area ha...
My works Solid ichimatsu yosegi
23-May-2025Today, I mainly focused on making the Aruki panels (Moving panels) for the Mame 18-step puzzle boxes that I s...
My works Finishing work
22-May-2025This morning was cloudy, and due to last night’s rain, the humidity was slightly higher than usual. These wer...