In connection with concepting of a new device it is very beneficial for decision making to have physical visualization touch-and-feel models.
E-Consult International can support you with 3D-Printed parts in PLA or ABS made with Ultimaker 2+.
Ultimaker 2+ 3D-Printer:
The Ultimaker 2 is capable of printing relatively high resolution parts ( < 100 um) within the limitations of overhang geometries that are feasible with a single head FDM type printer. Maximum build volume: 200 x 220 x 205 mm.