I experimented with how I wanted the plucking arm to move bending wire into different positions and making linkages and then used them like shadow puppets till I got an idea of how the arm would need to be moved by the servos. So after that I tried to cobble together a wooden block with a couple of servo motors attached to it in roughly the right positions. I use this wire called stub wire which I love using and it’s great for maquettes because it’s malleable but yet still holds its shape well with strength on a light weight scale. 

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