Importing model from 3d warehouse

[colin]

See if what I wrote here might be what is going on for you:

Slow inserting of 3D Warehouse components

There is an issue we’ve been trying to figure out for a couple of years, where you are working on a complex model, and you want to add something from 3D Warehouse. As you do that, the download of the model happens quickly, but then it can be several minutes before the model appears in your scene. A lot of people give up, and would see the problem as being that SketchUp had locked up permanently. It would have finished eventually. It hasn’t been an easy thing to work out, mainly because we could…

Short version is that if Materials is showing and expanded, and set to Colors in Model, inserting models from 3D Warehouse can be very slow.