These are inserts designed for the KIWIFOTOS RBC-65XCR battery case to hold BetaFPV style BT2.0 1S tiny whoop batteries. Each case will hold two trays, allowing you to carry either 12 of the full-sized batteries (Air 75, Cetus, etc) or 14 of the smaller batteries (Air 65, Hummingbird). You can even put one tray of each type into the same case, if you want to have a mix.
Trays can be printed in either orientation, assuming your bridging is good. I printed mine with the holes facing down so I could get the texture from the Prusa powder coated bed on the top surface.
Autor oznaczył ten model jako własne oryginalne dzieło.