Rotary Knob: Material: PLA, 2,85 mm (Innofil) Colour PLA: white Nozzle: 0,25 mm Layer thickness: 0,15 mm Temperature nozzle: 240°C Temperature buildplate: 60°C 3D-Printer: Ultimaker 2+ Colouring: white, special-acrylic-resin-spray (TS-26 from Tamiya) Cross: Material: PLA, 2,85 mm (Innofil) Colour PLA: silver metallic Nozzle: 0,25 mm Layer thickness: 0,06 mm Temperature nozzle: 240°C Temperature buildplate: 60°C 3D-Printer: Ultimaker 2+ Colouring: EMAIL COLOR silver (number 90 from Revell) The cross was printed with a supporting structure, which also closed the recess in the cross-center, for placing on the rotary knob. This structure must be cut out with a pointed object.