A transportable workpiece processing device, in particular a miniature processing center, comprising a processing unit and a control and/or supply unit, the processing unit having tool means, in particular comprising drilling and/or milling tools, for processing a workpiece in a processing area, the workpiece being retainable by means of retainer means, in particular comprising clamping means, and the processing unit comprising relative movement means for positioning the tool means and/or the retainer means retaining the workpiece within the processing area, and the control and/or supply unit having control and/or supply means for controlling and/or supplying the processing unit by means of/with electrical energy and/or at least one medium, the workpiece processing device being modular and the processing unit and the control and/or supply unit each forming a module unit, the module units being connected via flexible supply line means, preferably comprising at least one supply cable and/or at least one supply pipe, in such a manner that they can be operated interacting with one another both separated from one another and, in particular directly, mechanically connected to one another, characterized in that the processing unit is arranged on a tripod arrangement for realizing a three-point support which is provided with an air suspension, and wherein, as a result of the arrangement of the processing unit on the control and/or supply unit, the processing area is arranged at a height from a value range between 1200 mm and 1500 mm, preferably of approximately 1350 mm, in the connection position in relation to a base which forms the support surface of the control and/or supply unit. the processing unit having tool means, in particular comprising drilling and/or milling tools, for processing a workpiece in a processing area, the workpiece being retainable by means of retainer means, in particular comprising clamping means, and the processing unit comprising relative movement means for positioning the tool means and/or the retainer means retaining the workpiece within the processing area, and the control and/or supply unit having control and/or supply means for controlling and/or supplying the processing unit by means of/with electrical energy and/or at least one medium, the workpiece processing device being modular and the processing unit and the control and/or supply unit each forming a module unit, the module units being connected via flexible supply line means, preferably comprising at least one supply cable and/or at least one supply pipe, in such a manner that they can be operated interacting with one another both separated from one another and, in particular directly, mechanically connected to one another, characterized in that the processing unit is arranged on a tripod arrangement for realizing a three-point support which is provided with an air suspension, and wherein, as a result of the arrangement of the processing unit on the control and/or supply unit, the processing area is arranged at a height from a value range between 1200 mm and 1500 mm, preferably of approximately 1350 mm, in the connection position in relation to a base which forms the support surface of the control and/or supply unit.