I love the look of the Molecule Lamp but it's designed in Denmark and the socket it uses is for a specific IKEA E27 socket, so I created an adapter that works with the rubber sockets available here in Mexico, I had to cut out a big chunk of the rubber in order to make it fit. I printed with PETG, and the threads are a bit tight , so I lubricated them and they screw rather well. There's a slot to torque the piece with some sort of tool, in my case a file fit perfectly.