This nozzle tip fits all Mini Dust-Buster vacuums that have this general shape:
I believe most vacuums using the EVF100 filter will have this shape.
In this package you will get a high-resolution STL file (~21 MB) for 3D printing. It fits perfectly into my own Dust Buster. I used gray PLA, but PETG or any other material should work as well.
I suggest 0.20mm layer height, and 3 or 4 vertical shells.
High-Resolution STL File