This is a 5 sensor bracket for the inmoov robot currently for the left hand.5_servo_base needs to be printed with supports. print settings are .2mm slice 30% infill servo pulley was printed out at 100% 5 each of the following need. Sensor: Hall Effect ratiometric a1302 sensors Rare Earth Neodymium Magnet 8mm x 5mm Spring size is 3/8" x 3/4" http://thehackettfamily.org/blog/?p=59 for more details. http://youtu.be/50necbOJpME update : 23/5/13 made changes to the base to let servo wires to run easyer, and uploaded right side (untested). Update 29/5/13 : uplaoded circuit diagram. update 15/7/13 uploaded a full set of right arm parts thank you emys for highlighting the problem.