About this 3D model

This is a paper pack hole maker.I use this when I drink tea in a paper pack that I bought at a convenience store.because tea does not spill out even if a paper pack is defeated. use BC-400P https://www.ntcutter.co.jp/products/detail/49use threads.scad https://dkprojects.net/openscad-threads/ https://youtu.be/5H7fI0UljM4