Mylar 40mm speaker upgrade for VoIP using HP NetTop

Internal speaker of the HP t5740 NetTop is awful. Therefore you can use this 3D design for creating better speaker with voice frequency resonance which improves voice calls experience

Use some cloth inside the speaker case in order to compensate vibrations. Paper towels will work too
Use cyan-acrylic glue to fixate case parts
Use double side tape to fixate speaker inside the case