The file 'Kururin Skill Toy 3D Printer Model' is (stl) file type, size is 102.6KB.
===v.1.2===I use M8*35 Flat head screw to add more weight to the both end.It can add 1 M8 Hexagon nut as shown.
===v1.0===Skill toy test !!https://www.youtube.com/watch?v=PRv2Y0hQN80
