About this 3D model
Sorry for the previous confusion guys! This is the final one with all of the files. I hope it makes someone happier! The assembly process is described in the Printables project, I believe Google Translate will do the job. These are the 3D models for the Digipříměšťák Lightsaber project on Printables: https://www.printables.com/education/608509-svetelny-mec-lightsaber