My works Kannuki (slide keys) panels
24-Feb-2025Today is Monday, but it is a holiday in Japan. It is a national holiday, celebrating the Emperor’s Birthday. ...
Hiroyuki Oka
My works 
My works 27-step puzzle box / Aruki panels
21-Feb-2025Today, I worked on the Aruki (moving panels) production of the 5-sun 27-step puzzle box while also doing the ...
My works 5-sun 27-step puzzle box
20-Feb-2025Today, I first worked on the finishing and base coating of the 4-sun 27-steps puzzle box. This includes a sma...
My works Yosegi-sheet
19-Feb-2025I was out for a while today, so my work was somewhat limited. First, I continued from yesterday and attached ...
My works Two types 27-step Himitsu-bako
18-Feb-2025Today, I started attaching the final panel of the 4-sun 27-step puzzle box (Himitsu-bako).The final panel, as...
My works 27-step / side panels
17-Feb-2025Today, I worked on making and attaching the side panels for the 4-sun 27-step puzzle box that I have been wor...
My works 4-sun 27-step puzzle box
14-Feb-2025Today, I started making the structural parts of the 4-sun 27-step puzzle box. I began with the frame panels a...
My works Coating of Japanese puzzle boxes
13-Feb-2025Today, I started with the 3-sun 12-steps puzzle boxes coat painting process. In the morning, I sanded the pri...
My works 3-sun 12-step puzzle boxes
12-Feb-2025Today, I worked on the finishing process and priming of the 3-sun 12-step puzzle box. Along with this box, I ...
My works Coating of 4.2-sun puzzle box
11-Feb-2025Today is a national holiday in Japan (National Foundation Day). In reality, the exact date of Japan’s foundin...