The file 'T Joint For 12mm Pipes 3D Printer Model' is (stl) file type, size is 4.6KB.
This is a replacement part for a cloth valet which has a 12mm pipe structure.
Photo of original part is attached.
Tinkercad link: https://tinkercad.com/things/43EJOakIREN-t-joint-for-12mm-pipes