The ornamental design for a coffeemachine, as shown and described.
1. Coffee machine
2. Coffee pot for coffee machine
3. Part of a coffee machine
1.1 : Left
1.2 : Front
1.3 : Perspective
1.4 : Top
2.1 : Perspective
2.2 : Top
2.3 : Back
2.4 : Left
3.1 : Front
3.2 : Top
3.3 : Left
3.4 : Back
3.5 : Perspective
The design for the coffee machine consists of two parts; the first part is the main body of the design, which is the machine; its semi-cylindrical structure is designed to enclose the front part of the coffee pot, which is the second part of the design.