Somehow, I find my self with stcks and stacks of these ~2" round stacking storage containers. When you stack them, each one acts as a lid for the one below it and there is a real lid for the topmost container. This works well, but I wanted more than two stacks of a dozen each. That always left one container empty just to act as a lid. What a waste! Well, ten minutes in FreeCAD and a couple of hours on the printer and now everyone can have their own lid!
These containers come in a variety of colors (I have both clear and brown) from all sorts of retailers, so chances are someone out there, somewhere, will have need of this lid. Here you go! You are welcome Dave :)
As per special request, I modeled the actual container itself. Now you can enjoy these lids even if you don't have the containers :) While the lids print just fine with no supports, the container will need you to enable supports touching buildplate only.