MOBILE PART WITH AT LEAST ONE ATTACHMENT MODULE ARRANGED ON THE MOBILE PART

A mobile part includes at least one attachment module situated on the mobile part. The attachment module has a base plate and a wheel holding unit. A first linear axle is situated on the base plate, and a second linear axle is situated so as to be movable by the first linear axle. The wheel holding unit is situated so as to be movable via a third linear axle, which is situated so as to be movable by the second linear axle, and each one of the linear axles has a non-vanishing angle with respect to each of the other linear axles, in particular a right angle.