Layer height 0.1 mm, initial 0.2 mm. Infill 20%, grid pattern. No support. Print speed 100 mm/s; wall 60, top/bottom 40, travel 150. Nozzle 200°C, bed 50°C. Cooling fan 100% after layer 3. Skirt adhesion (3 lines, 5 mm offset). Retraction 4.5 mm at 40 mm/s, Z-hop 0.2 mm. Wall count 3, top/bottom 5 layers. Combing: within infill. Seam: hide. For fine PLA+ detail prints without support.