I received a sketchup-file from our architect so that we could experiment with all sorts of bricks and colors, but when I select, for example a grey brick to paint, I only get the color grey, not the bricks.
The fun fact is, if I build a house from the ground up, and I paint the walls, I do see the bricks.
I checked that, and everything is as you showed.
Could it be that the architect has the wrong setting? And that the mailed file therefor couldn’t be adjusted?
Right click on any bit of raw geometry and choose entity info. If the area or length of whatever you have selected is significantly larger than a brick then perhaps that’s the problem.