3D printer
The 3D printer is a Prusa i3 MK3S+.

Usage
User manual is available online here.
Use PrusaSlicer to export 3D models (STL, etc) for the 3D printer.
Material
The 3D printer is usually used with PLA 1.75mm but it has also been used with success with FilaFlex 40 from Filatech.
See also machine recommended configuration for Filatech filaments.