These are stackable bowls with a numerical description for better sorting. When, for example, you need a place for screws during the disassembly of the extruder and other things, it comes in handy. Also available model without numbers.

Basic size:

External dimensions - ⌀80x25mm

Internal (storage space) dimensions - ⌀76x19mm

My print settings:

PLA

2 perimeters

15% infill

3-4 solid layers