How do I change the scale of models?

Hello everyone. Could you please tell me how to scale models on the global map without using third-party programs? I want to try changing the size of some creatures and resources. I changed the camera position on the map (slightly zoomed it out by editing the autoexec_a2.cfg file), which made some creatures harder to see. I want to increase their size a bit. I tried changing various sizes in the size tags in the xdb files related to a particular creature, but it didn't help. I also didn't find any such script functions in the manuals. Although, they might exist, but I don't understand scripting yet.