The file 'Casting Flask Cope And Drag Interlock 3D Printer Model' is (stl) file type, size is 51.1KB.
2 parts use on the end of a cope and drag of a casting flask to lock the parts together
you can see in my video how to use them
https://www.youtube.com/watch?v=jTYAFchLVUo
COPEANDDRAGINTERLOCK.stl | 202.0KB |