Tapon 1,25''

thingiverse

A plastic stopper used to protect astronomy accessories from dust and other elements is typically a small, cylindrical plug made of plastic. It is often used to seal off a container or opening in order to prevent debris from entering the system. The stopper is usually inserted into the container through a small hole or opening, and then secured in place with a ring or clip. Once in place, the stopper forms a tight seal that prevents dust and other particles from entering the container. This helps to keep the astronomy accessories clean and free of debris, which can be important for maintaining their accuracy and performance.