Alfa Romeo Group A center lock part 1 – Hub
Crating CAD model of a wheel hub, that is using single large center nut to secure the wheel to the hub. This is commonly used on race cars for simplicity and weight saving. This is direct replacement for the original five stud hub. The 3D model is made from scaled drawing found online, so the dimensions are not exact, but they are close. You can download the file and adjust them if you want. You can use the video below as a tutorial, if you want to recreate the part in your CAD software.