Aerodynamic 3d printed door mirror for cars

grabcad

This mirror is designed to be small and aerodynamic. It will drop your Cd 0.01 up to 0.03. It will aso lower your cars frontal area in normal european car 0.03 m2. This leaves no blind spot in your car as the mirror is convex. It designed to be sanded or grinded to correct angle and glued in place. Of course it needs some sanding depending how good quality parts you can print. Assembly pictures in the link It is not approved for road use.