Its a headphone holder that mounts under your desk and slides out of the way when not in use. Your question confuses me. What about taking plans, tweaking them. Setting up the tools. Buying materials and then running the machine. Seeing issues. Making further modifications... what about that isn't making?

I'm guessing you have never used a 3d printer. It isn't like a paper printer. Its a tool that requires a significant amount of work to set up and there is a lot of trial an error. Despite the hype, its not an easy button for manufacturing. Actually, the hype around 3d printing from years ago reminds me of the hype today about AI.