Printer: Ender 3
*For the whole thing all at once:*Infill: 100%
Plate adhesion: I use a raft
Support: 45 degrees ONLY touching buildplate
Layer Height: 0.2mm
Filament: PLA
*For three pieces:*Infill: 100%
Plate adhesion: I use a raft
Support: NONE
Layer Height: 0.2mm
Filament: PLA
You may need to glue it together.