Guinea Pig / Rabbit Enclosure

I created a printable enclosure for my own purposes. It's suitable for guinea pigs and rabbits. Actually, for any cage that doesn't need a cover on top. The photos show the finished enclosure. It's approximately 3.8 m x 1.4 m. I used approximately 10 kg to 12 kg of PEGT filament for it. First of all, I should say that it's not easy to assemble. Putting it together requires a lot of strength. Once put together, however, it's almost impossible to take apart. But that was the goal of an enclosure. It shouldn't fall apart on its own. Where the red dots indicate, there are removable plexiglass panels. In case you want to let the little ones out. Printing: All parts can be printed without supports and without edges. Although the slicer sometimes complains a bit. Some parts need to be rotated accordingly. FreeCAD exported some of them upside down. I used 15% infill. Everything else was left at the default of the respective printer. Materials: PEGT (PEGT is strong but not as stiff as PLA. I th