Toroidal drone propeller - 3 blades. It's SolidWorks model was exported in other CAD formats. This 3D model can used in producing on CNC machines and for 3D printing. Toroidal drone propeller dimensions: Main diameter - 5 Inch (127mm) , Holes diameters - 1x3.5mm 2x2mm, Height - 0.6 inch (15mm).