Nozzle Box (with compartment for thermal barriers)

I needed a small box to store nozzles and thermal barriers. Finished options did not like the size, the number of holes for nozzles, superfluous inscriptions or something else. Quickly put together in tinkercad what I need.
In the photo, the first variant. I left it to myself, but he had flaws.
I added borders for thermal barriers. Also added ribs to the lid to make it easier to open.
I uploaded two models:
1. holes 6 mm - nozzles cut the thread and hold tightly;
2. holes 7 mm - nozzles wil