Since I used an external power supply LED unit this time, I didn’t have to worry about the life of the unit, but I thought about operating with both batteries and an AC adapter. If you place the power supply at the bottom of the acrylic case, you will need to raise it.
As for the acrylic case, I used Mr. Akurimate’s. I found , so I decided to use 4 to 8 to raise it. The decoration of the nut on the side that penetrates the surface has not been decided yet, but for the time being, I will use this method.