About this 3D model

Diameter: 200 mm Overall height: 6,8 mm Central hole width: 8 mm Layer height: 0.20 Infill: Grid at 25% No supports Initial color: Grey Color change at layer 26 - 5,20mm (white) Color change at layer 29 - 5,80mm (black) Color change at layer 32 - 6,40mm (green)