Yea, always afraid of that, all details get lost.
In my opinion , better to use symbols like close circles, stars or what ever with an image on the top.
Willem
Edit : can you set the transparency of models ?
Then you can make some of pop up from the surface of the geoscape, from small to big with on the top information or an image.
And when it is transparent then it looks good I think.
Something what they use for airplanes, but then 3D.