Cable chain for Prusa I3 Rework 1.5

This thing consist of three parts to use thing:611593 **Open Cable Chain** for cables between the extruder and the X-motor, and between the X-motor and the Z-motor located by the Arduino board (sorry my identifiers are an awful mix of french and english) :
- **Support_Chaine_Cable_sur_NEMA17.stl** is a ring that fits on the extruder motor with a "end1" connector to the cable chain.
- **Support_x_motor.stl** is a ring that fits on the X-motor with a "end2" connector toward the extruder and a "