I think I will have to chime in here. Recently found this supposedly "transparent shoe rack" on temu, turned out to be almost perfect for model display.
I got the 9-layer 18-grid one (1.70 cm tall). This thing has firm stand, clear panels and is light, foldable (assembly took me 5 minutes), can easily house 6 widebodies per layer (narrow body many more), so one cabinet can house 54 widebodies easily, and costs only $60 bucks compared to other crazily expensive, very hard to assemble, cabinet.
it's obviously not comparable to those high-end cabinets for collectible display, but I think it's great for someone looking for cheap, portable, simple option for model display. It's been a headache for a long time for me but now it works out.
This image shows the Asian portion, I plan to get a bunch of these for others plus some LED and will update later.

