There were dozens of propellor manufacturers at the turn of the 20th century. This model is based on the typical British style that was used on many aircraft during WWI. American, French and German designs were similar but not exactly the same. It is 2900mm long and this size would have been used on single-engined biplanes such as the Airco DH-9.
OBJ (OBJ, filesize: 287 KB), MAX (Autodesk 3ds Max, filesize: 280 KB), DAE (Collada, filesize: 257 KB), 3DS (3D Studio, filesize: 235 KB), FBX (Autodesk FBX, filesize: 325 KB)