The file 'Terrarium Vent 3D Printer Model' is (stl) file type, size is 162.6KB.
I needed an adjustable vent for my terrarium. I used a stainless steel M3 screw and lock nut to fasten them together.
It's designed for 3mm thick glass with a 20mm hole.
I made a second version for 6mm glass, but you could always elongate the base thicker to fit a different size.
Bottom.stl | 855.3KB | |
Bottom_6mm_glass.stl | 852.1KB | |
Top.stl | 583.3KB |