Step 7: Turn Axis
Glue the sides to the bottom plate of the box, as shown in the first picture. The piece in the front was supposed to hold the webcam. But after using the gun for the first time, I noticed that even though the base is really sturdy it moves a bit when the gun stops, which results in false detections. So I just decided to place the camera on the floor in front of the gun until I'll be able to find the time to build a tripod for the camera.
Before you paint the pieces, you should fill the holes and prime them. Next. , make sure that everything fits and screw the servo in place. In my experience the best way to position the servo arm is to screw it to the servo and to use two component glue to attach it to the top piece. Before you do so, make sure that the angle the servo can turn in both directions is the same. After the glue is set, unscrew the arm from the servo and take the plate off. Now you can screw the servo arm to the plate, to give the connection better strength.