Container Connector and Vents

These are connectors for containers with a disconnectable center. I used the screw and nut from the spool holder by bekroogle. These could be useful for breeding crickets or roaches, or other things. The only downside is the side of containers is usually slightly angled, I was going to make an angle joint but never got to it. I might in the future.

The stl not in a zip is a duplacate

I wasnt planing on uploading the vents because i didnt use them but i might as well. The screw and nut is