Powerbank HRD-B3X Case
This case fits HRD-B3X module with 4000 mAh battery. The dimensions of the case are 67 mm x 100 mm x 22 mm. It consists of two parts (a base and a lid) and is designed to be glued together. It is fully covered with two cutouts for charging cable and microUSB port.
Recommended print settings
- layer height: 0.2 mm
- perimeters: 2
- solid layers: 5
- infill: 20% grid
- supports: no
Assembly instructions
- Insert battery.
- Insert HRD-B3X board. Place microUSB input into rectangular hole.
- Pass the charging cable through the round hole. Connect it to the board.
- Put the lid on. The lid should be glued to the case.
I additionally used hot glue inside to keep everything together.