Printable arm or horn to replace the output attachment of an MG995 servomotor. It is a coupling piece between the servo shaft and the mechanism to be moved; it does not include the servomotor or the control rod. The compatibility indicated by the source is limited to the MG995 and must be verified with the specific unit, especially regarding the central splining and the fastening.

Preparation, compatibility, and printing

The author suggests a 50% infill. This data does not certify the strength of a particular print. Before assembling, check that the splining fits without force, that the screw holds the piece, and that the arm does not rub during the entire range of motion. Prepare a fit test first and avoid compensating for an incorrect fit by tightening the screw further.