It was designed to be simple to manufacture and install. The mechanism can work thanks to the spring coming from the ballpoint pens. Total length 270mm. However, if you wish, you can produce it in 1:1 and 1:6 scales.
3D PRINTING SETTINGSYou can get good results with tree support and radial base.
Material PLA.Nozzle 200 degrees.Table 60-50 degrees.