Model originally uploaded to Thingiverse at https://www.thingiverse.com/thing:5274022.

So, what we have here is a four tube propagation station for growing new plants. It's a very easy print. It is intended to be used with glass tubes that have a rounded end as there are divots in the bottom section to secure the tube.

I also have a two tube version which can be found at https://www.thingiverse.com/thing:5283615