CRYSTAL table lamp is a unique design with a special surface, that ensures a beautiful light dissortion. It works with any standard E14 (29 mm) light cord. I used IKEA Strala. No assembly, srcews, glue or soldering! The printing requires some settings adjustments. Not super complicated, but might not be the best for very beginners. The settings are described in the file. MADE FOR 0.4 mm NOZZLE. (works with multiple slicers, but Cura slicer is not ideal)