I periodically have pieces in my pile that suggest ideas. The main starting point was an old hand mixer. I had puzzled over it for a few years but this time I cut off rusted extremities and it suggested a robot body ( with a few modifications). I had also done a couple of wooden balls to experiment with screws, bolts and rivets and this was lying nearby on the bench. A match made in…. the shed I guess but it came together and ”he “ has quite a bit of personality I think