I used PLA with 20% infil 0.2mm
The lower arm assembly needs supports.
2 copies of the upper arm are required. The end with an 'F' embossed on it pushes into the scoop
If you have line followers, you need to remove the securing screw from the line follower, for the servo to lie flat. The servo will keep the line follower in place.
The author remixed this model.
Lifting Sccop for HP Otto