Hi.
This is a service stand for testing the correct welding of 18650 cells.
Very strong and rigid construction.
Groove for nickel plate: 8 mm
I recomended.

My print settings:

3D Printer: Anycubic I3 Mega X
Filament: Nebula Premium PET-G
Printing temperature: 225oC
Build Plate Temperature: 70oC
Quality- layer Height: 0,2mm
Top Layers: 4
BottomLayers: 4
Infill Density: 25%
other settings: standard