- axle { position 15; wheel_diameter 14; powered true; object "M36850-axle.object"; };
- axle { position -15; wheel_diameter 14; powered true; object "M36850-axle.object"; };
+ axle { position 15; wheel_diameter 14; powered true; object "axle-14-grooved.object"; };
+ axle { position -15; wheel_diameter 14; powered true; object "axle-14-grooved.object"; };