Pack 1 & 2 form the complete model. "Détail" contains the separated parts. Layer height : 0.08 (or 0.1) Fill: 20 % Shell thickness : 1.6 mm or 4 shells Bottom / Top thickness : 1.2 mm Temp: 205 Speed while extruding : 40 mm/s The model was printed according to these settings. It must be kept so the mechanical elements to keep good friction properties. With these parameters, no running screws or rectification with file have been necessary.