Recommend printing at a slower speed and thinner layer height. Support is needed for the large sheath that covers the whole assembly, since it has a lip to prevent everything from slipping out through the back.
Settings used:
Printer: Prusa i3 Vanilla
Slicer: PrusaSlicer
Material: ABS (Prusa EasyABS White)
Layer height: 0.05mm
Print speed: 60mm/s
Print time: ~1h total