To prevent annoying problems with round cover glasses in square containers…

this wonderful and breathtaking design was developed over years of dedicated and tireless work... Take a look and let the magic sink in over these rounded containers:

Squaring the circle has been achieved!!!!1!!!11
Well, not quite... but I hope they are helpful anyway!
The parameters/settings can be adapted by using the OpenSCAD Customizer (no programming skills required) in the given OpenSCAD file. To getting started with the OpenSCAD Customizer install and start the OpenSCAD CAD Modeller and open there the OpenSCAD file below. The Customizer functionality can be activated by Window → Customizer in the menu.

The author marked this model as their own original creation.