A propeller with blades curved in two planes. Nosecone is hollow. Features square central hole for mounting on peg for rotational movement transmission and cross hole for a locking pin. All edges are filleted to various radii. Three levels of detail are included respectively with : verts : 32813, 120424, 305251 trigs : 65626, 240848, 610502 Side of the square hole is 15 mm. Central hub is 45 mm in diametre. Locking pin hole is 6.5 mm in diametre. Fillet radius of the edges of the square central hole are 2 mm for the lateral edges and 1 mm for the bottom edges.Created using Autodesk 123D Design and Meshlab.