Assistive computer mouse "Full Case"

The Full- Case was developed for mouthstick users. It enables the use of all functions of a computer mouse, especially the mouse wheel.
The Full-Case consists of three parts, the case, the top and the top-layer. The case and the top should be manufactured out of PLA/ABS. The top-layer out of TPE, to improve usability.
Further a standard computer mouse Microsoft WM1850 must be dismantled. The circuit board have to be put into the case first, then the mouse wheel and the battery. Second, the top-layer have to be glued on the top part. The top and the case are assembled by a cylinder-head screw ( ISO 4762 M3x12).