I have always been passionated about puzzles. I like all kind of puzzles, in particular interlocking puzzles, but not only. I have a real passion for coordinated motion puzzles, which I find fascinating, and for puzzle boxes, with multiple steps for solving. I have a small collection of puzzles, not a huge one, and I consider myself as fairly good solver, but in no way an expert solver, as I know some. At some point in my puzzling experience, I played with the idea of designing and building puzzles of my own creation. I started to design and build a puzzle box in wood. The concept was good, and it worked. However I was not fully satisfied with my craftsmanship, and the quality of the build was not as good as the quality of the design. In other words, my hands and tools were not really apt to render what I had imagined in my mind. So I started to explore 3D printing to create puzzles, improving my skills with 3D modelling and 3D printing. Early work remained at the stage of prot...