for A1 mini0.2mm layer, 3 walls, 20% infill
revised version 0.2mm layer, 2 walls, 20% infill
0.2mm layer, 2 walls, 15% infill
0.3mm layer, 2 walls, 15% infill
0.6mm nozzle, 0.3mm layer, 2 walls, 15% infill