Bambu Lab (any printer; settings shown in Bambu Studio) / PLA

PLA on Bambu Lab (any printer; settings shown in Bambu Studio)

youtube
Test on scrap first. Settings are starting points from the linked source. Dry hygroscopic filaments before printing.
Printer
Bambu Lab (any printer; settings shown in Bambu Studio)
Filament brand
Generic
Filament type
PLA
Slicer
Bambu Studio
Nozzle size
0.4 mm
Nozzle temp
210 °C all layers (down from profile 220 °C)
Bed temp
55 °C
Speed
First layer slow; outer wall 150, inner wall 200 mm/s; small perimeters 50%; overhangs and bridges 30 mm/s; supports 100 mm/s for tall prints (150–200 for short)
Layer height
0.20 mm; outer wall and top-surface line width 0.45 mm (initial layer 0.5 mm max)
Cooling
No cooling on first layer, then fan 100% (description: 100% after layer 3)
Notes
BA 3D Printing video (Aurora Whisper transcript + description quick reference): seam aligned at back, ironing for large flat tops, 3 walls (up to 5 for strength), 5 top / 5 bottom layers, 15% cubic infill (or gyroid; avoid grid), tree (auto) slim supports with 25° threshold, outer brim only 5 mm, no skirt. First layer speed 30 mm/s per description.
Source: BA 3D Printing
Summarized from the linked source. Always test on scrap before production runs.