About this 3D model

Manual Belt Tensioner for Bambu Lab X1C, P1P and P1S Its in Testing. I have it in my X1C and it Works very well. no problems in Print. I even think that the print quality has improved, especially in terms of accuracy There is a problem when it is tensioned and you loosen the screw then the screw turns with it. If anyone has a solution please contact. Coming V2 Self locking nut delete Coming Spring in this place. You need: 2x M3x20mm Cylinderhead screw 4x M3 washer 2x M3 hexagon nut 2x self-locking mother print in ABS or better