Any suitable tubular object can be extruded, such as toothpaste, tire lubricant, O-ring lubricant, and so on. This means you don't have to buy new tubes soon... The original files, STL files, and STEP files that can be downloaded and resized are all provided... In addition, print configurations are also provided so that you can print via your phone! This might be helpful in workshops, or not... It can also be used at home... Moreover, I don't recommend using one-piece printing. Please print separately... Additionally, if you print